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Class 10 Physics Chapter 8: Chapter 8 MCQs With Explanations
Practice Class 10 Physics Chapter 8: Chapter 8 MCQs with explanations for Pakistani board exams. Includes solved objective questions, answer checking, chapter revision guidance and next chapter suggestions.
Use this page for direct chapter practice, answer checking and explanation review. It is available through the clean URL shown in the browser, so students can bookmark and share this exact chapter.
E-mail is the standard abbreviation for electronic mail, referring to messages sent digitally over networks.
Q2. Which of the following is not processing?
Gathering data is an input function; processing involves transforming data through arranging, manipulating, or calculating.
Q3. The basic operations performed by a computer are:
Computers perform arithmetic (e.g., addition, subtraction) and logical operations (e.g., AND, OR, NOT) as their fundamental processing tasks.
Q4. Which is the most suitable means of reliable continuous communication between an orbiting satellite and Earth?
Microwaves penetrate the atmosphere with minimal distortion and are widely used for satellite communication due to their high bandwidth and reliability.
Q5. In computer terminology information means:
Information is defined as data that has been processed, organized, or structured to be meaningful and useful to the user.
Q6. CD's are based on:
CDs use laser light to read microscopic pits on the disc surface, making laser technology fundamental to their operation.
Q7. Cell phones transmission are made with:
Cell phones use microwave frequencies (typically 700 MHz to 2.6 GHz) to transmit voice and data wirelessly through cellular networks.
Q8. ROM stands for:
ROM stands for Read-Only Memory, a non-volatile memory type used to store firmware or permanent data.
Q9. Which of the following is not processing?
Gathering data is an input activity, not processing; processing involves transforming data via arranging, manipulating, or calculating.
Q10. From which of the following you can get information almost about everything:
The Internet provides vast, real-time, and diverse information on nearly all topics, far exceeding the scope of books, teachers, or computers alone.
Q11. The brain of any computer system is:
The CPU (Central Processing Unit) performs the majority of processing tasks and controls the operation of the computer system.
Q12. In computer terminology information means:
Information is defined as data that has been processed, organized, or structured to be meaningful and useful.
Q13. What is the typical storage capacity of a single-layer DVD?
A standard single-layer DVD has a capacity of 4.7 GB; option A is corrected to reflect the accurate value.
Q14. The storing capacity of CD is:
The standard storage capacity of a CD is 680 MB for 74 minutes of audio.
Q15. An unauthorized access computer for any illegal work is called:
Hacking refers to unauthorized access to computer systems, often with malicious or illegal intent.
Q16. WWW stands for:
WWW stands for World Wide Web, the system of interlinked hypertext documents accessed via the Internet.
Q17. URL stands for:
URL stands for Uniform Resource Locator, a reference to a web resource that specifies its location on a computer network.
Q18. FTP stands for:
FTP stands for File Transfer Protocol, a standard network protocol used for transferring files between client and server.
Cell phones transmit and receive both sound (voice/data) and use radio waves as the medium for wireless communication.
Q20. e-mail stands for:
E-mail is the standard abbreviation for electronic mail, a method of exchanging digital messages over networks.
Q21. IP stands for;
IP stands for Internet Protocol, the set of rules governing data transmission across networks like the internet.
Q22. What does TCP stand for in computer networking?
TCP stands for Transmission Control Protocol, a core protocol of the Internet protocol suite for reliable data transmission.
Q23. HTML stands for:
HTML is the standard markup language for creating web pages, correctly expanded as Hyper Text Markup Language.
Q24. CD contains __________ data.
CDs store data as digital pits and lands read by laser, representing binary information in a digital format.
Q25. The data storage capacity of a hard disk is typically:
Hard disks are designed for high-capacity data storage, offering significantly larger capacity than other storage media like USB drives or SSDs in many contexts.
Q26. What material is primarily used in the magnetic coating of a hard disk platter?
Hard disk platters are coated with a thin layer of magnetic material, typically metal oxide or alloy, to store data magnetically.
Q27. What is the typical storage capacity of a standard 3.5-inch floppy disk?
The standard 3.5-inch floppy disk has a capacity of 1.44 MB, making option A the only accurate choice after correction.
Q28. Audio cassettes consist of ______________ tapes on which sound is saved in particular form by the help of magnetic field.
Audio cassettes use magnetic tape to store sound as magnetized patterns, relying on magnetic recording technology.
Q29. IC stands for:
IC refers to Integrated Circuits, which are miniaturized electronic circuits fabricated on a small semiconductor chip.
Q30. CD stands for:
CD is the standard abbreviation for Compact Disc, a digital optical disc data storage format.
Q31. RAM stands for:
RAM allows data to be read or written in almost the same amount of time regardless of physical location, enabling fast, direct access.
Q32. The CPU contains a tiny rectangular chip called a:
The CPU is implemented as a microprocessor — an integrated circuit that performs the processing functions of a computer.
Q33. the bandwidth of single mode cable is
Single-mode fibers offer the highest bandwidth due to minimal signal dispersion, allowing greater data rates over longer distances.
Q34. The diameter of multimode cable is:
Multimode fibers commonly have core diameters of 50 or 62.5 microns, with some older types up to 100 microns; 50–180 microns encompasses standard and legacy ranges.
Q35. 1 micron = ______________
1 micron (micrometer) is equal to 10⁻⁶ meters.
Q36. The diameter of single mode cable is
Single-mode optical fibers have a core diameter of approximately 7–8 microns to allow only one mode of light propagation.
Q37. Multi mode cable has:
Multimode fibers feature a larger core diameter (typically 50 or 62.5 microns) to allow multiple light modes to propagate simultaneously.
Q38. dingle mode cable has:
Single-mode fiber has a small core diameter (typically 8–10 µm) to allow only one mode of light propagation.
Q39. the multimode cable use for:
Multimode fibers have a wider core that supports multiple light paths, but suffer from modal dispersion, limiting them to shorter distances.
Q40. the single mode cable are use for:
Single-mode fibers have a narrow core that allows only one light path, minimizing signal loss and enabling transmission over long distances.
Q41. The transmission rate of optical fibers is.
Optical fibers transmit data using light signals, enabling extremely high bandwidth and transmission rates compared to copper cables.
Q42. Optical fibers works on the principle of:
Total internal reflection allows light to be confined within the fiber's core by bouncing off the core-cladding interface at angles greater than the critical angle.
Q43. Fax machine transmitted data to other fax machine through:
Fax machines convert documents into audio-frequency signals transmitted over standard telephone lines to another fax machine.
Q44. A fax means scanning a page to make a ____________ representation of its text or graphics.
Fax machines convert text or graphics into electronic signals for transmission, producing an electronic representation at the receiving end.
Q45. Documents are commonly sent from one place to another through:
A fax machine transmits scanned document images over telephone lines, making it a traditional tool for document transmission.
Q46. The central part of optical fiber fiber through which travels is called;
The core is the central region of an optical fiber where light propagates, surrounded by cladding that keeps the light contained via total internal reflection.
Q47. Optical fiber uses _________ signal to transfer information from one place to another.
Optical fibers transmit data as pulses of light through a glass or plastic core, leveraging light's speed and low attenuation for high-bandwidth communication.
Q48. The term 'optical' refers to:
Optical relates to light or vision; it is derived from the Greek word for 'seen' and pertains to light phenomena.
Q49. BSc stands for:
BSc is the standard abbreviation for Bachelor of Science, an undergraduate academic degree.
Carbon granules in the mouthpiece vary resistance with sound pressure, converting acoustic waves into varying electrical signals in analog telephones.
Q51. Telephone sends voice in the form of _________ signals from one place to another.
Traditional telephones convert sound into electrical signals that travel over copper wires, making electrical the correct type of signal used.
Q52. Telephone invented in:
Alexander Graham Bell patented the telephone in 1876, recognized as its invention year.
Q53. The telephone was invented by:
Alexander Graham Bell is credited with inventing the first practical telephone and receiving the first patent for it in 1876.
Q54. A transmitter processes the:
A transmitter takes an input signal, modulates it, and converts it into a form suitable for transmission; it processes the input before generating the transmitted signal.
Q55. The transfer of information from one place to another is called as:
Both 'transfer' and 'flow' of information are synonymous terms used in ICT to describe communication of data.
Q56. Data is usually stored on:
Disks (such as hard drives and SSDs) are primary storage media for persistent data in computing systems, unlike CPUs or programs which process or execute data.
Q57. the term software refers to:
Software refers to programs and operating instructions that tell hardware how to function, not physical components.
Q58. The term hardware refers to:
Hardware consists of the tangible, physical parts of a computer system such as the CPU, memory, and peripherals.
Q59. How many components are there in a Computer-Based Information System (CBIS)?
CBIS typically includes six components: hardware, software, data, procedures, people, and communication networks.
Q60. CBIS stands for;
CBIS stands for Computer-Based Information System, referring to systems that use computers to process and manage information.
Q61. Radio, telephone, fax machine and cell phone are the main sourcesÛ”
These devices facilitate transmission of information over distances, defining them as communication technologies.
Q62. Computers and internet are the main sources of;
Computers and the internet are foundational components of information technology, enabling data processing and management.
Q63. the scientific method for storing, arranging information for proper use and to communicate them to others is called:
Information technology involves the use of systems to store, process, retrieve, and communicate information systematically.
Q64. the method that is used to communicate information to far off places instantly is called:
Communication technology specifically refers to tools and systems enabling instant transmission of information over distances.
Q65. ICT stands for:
ICT is the internationally accepted acronym for Information and Communication Technology.
After Chapter 8: Chapter 8, Practice Next Chapters
Once you finish these MCQs, continue with the next available chapters from Physics so your revision stays chapter-wise and complete.
Complete the MCQs first, then review every incorrect answer against the textbook heading where that concept appears. For biology and other science subjects, pay attention to terminology, diagrams, sequence of processes, examples and differences between similar structures or functions.
This chapter page keeps the exact class, subject, chapter, question count, answer checking, explanations and follow-up chapters together, so students can revise from one focused URL instead of searching through the full book again.
Class 10 Physics MCQ Preparation: Chapter 8
This page supports Matric Part 2 practice in Physics.
At this stage, the main purpose is strengthening final-year matric concepts and preparing for cumulative school and board assessments. The questions available here should be
used with the current textbook and the instructions issued by the learner's school or examination board.
What Physics MCQs can test
In Physics, objective questions commonly draw on definitions, physical quantities, SI units, laws, graphs, diagrams, formulas and the interpretation of numerical situations.
A useful answer is based on the exact wording and concept, not simply on recognising a familiar option.
For this subject, learners should write the known quantities and units before choosing a formula, and distinguish a law from the example used to demonstrate it.
Chapter 8: focused MCQ revision
This chapter should be reviewed through its main definitions, examples, diagrams, comparisons and links with earlier Physics concepts.
Write a one-sentence reason for each corrected answer and note the textbook heading where the concept is explained.
Common mistakes for Class 10 learners
In this subject, frequent errors include mixing scalar and vector quantities, overlooking units, reversing cause and effect, or choosing a familiar formula without checking its conditions.
Review textbook exceptions, diagrams, units and similar-looking statements because these often cause avoidable objective-question errors. When the page marks an answer as incorrect, the next step should be to identify
the mistaken idea and verify it, rather than memorising the displayed answer letter.
A practical revision routine
Alternate chapter revision with short mixed tests so that older material remains active while new chapters are completed. Before attempting the MCQs, review definitions, symbols, unit conversions, graph shapes, diagram labels and the meaning of each term in a formula.
Complete a manageable set without notes, check the result, and divide errors into missing knowledge,
misunderstood concepts and careless reading. Revise the appropriate section before repeating the chapter.
How to review Chapter 8 after the quiz
List the questions you missed from Chapter 8 and write the textbook heading
connected with each one. Explain the correct idea in your own words, then return later and answer a
fresh set. This gives the chapter page a clear purpose: finding specific weaknesses in
Physics rather than only collecting a score.
Accuracy and responsible use
Explanations are provided where they exist in the question bank, but educational databases can contain
incomplete or mistaken material. Confirm disputed answers with an authoritative textbook or teacher.
Ahmad Learning Hub provides a practice resource and does not claim that a question will appear in an
examination or that every available item represents an official board question.
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