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Class 10 Physics Chapter 1: Chapter 1 MCQs With Explanations
Practice Class 10 Physics Chapter 1: Chapter 1 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.
40Total MCQs
40With explanations
4Topics represented
Topics found: Waves, Electromagnetic Waves, Energy Transfer, Simple Harmonic Motion
Q1. Which of the following characteristics of a wave is independent of the others:
Amplitude is the maximum displacement and does not affect wave speed, frequency, or wavelength, which are interrelated via v = fλ.
Q2. A large ripple tank with a vibrator working at a frequency of 30 Hz produces 25 complete waves in a distance of 50 cm. The velocity of the wave is:
Velocity = frequency × wavelength = 30 Hz × (50 cm / 25 waves) = 30 × 2 cm = 60 cm/s — but 60 cm/s is 0.6 m/s, while 750 cm/s = 7.5 m/s matches 30 Hz × 25 cm wavelength (50 cm / 2 waves per cycle). Correction: 25 waves in 50 cm means wavelength = 2 cm, so v = 30 × 2 = 60 cm/s — marked answer is correct. Wait — 25 waves in 50 cm → λ = 50/25 = 2 cm → v = fλ = 30 × 2 = 60 cm/s → marked answer is correct. Status remains verified? But the prompt says marked correct is 60 cms⁻¹ — so verified. Rechecking: 30 Hz × 2 cm = 60 cm/s → correct. So status verified.
Q3. In a vacuum all electromagnetic waves have the same:
All electromagnetic waves travel at the same speed in a vacuum, which is the speed of light (c ≈ 3×10⁸ m/s).
Q4. Which of the following is a method of energy transfer?
Conduction, radiation, and wave motion (e.g., sound or electromagnetic waves) are all recognized mechanisms of energy transfer in physics.
Q5. Waves transfer:
Waves transfer energy from one point to another without transferring matter, making energy the correct answer.
Q6. Which of the following devices can be used to produce both a transverse and longitudinal wave?
A slinky can produce transverse waves when shaken side-to-side and longitudinal waves when pushed and pulled along its length.
Q7. If the mass of the bob of a pendulum is increased by a factor of 3, the period of the pendulum’s motion will:
The period of a simple pendulum depends only on length and gravity, not on mass, as mass cancels out in the equation T = 2π√(L/g).
Q8. Which of the following is an example of simple harmonic motion?
A simple pendulum undergoing small angular displacements exhibits restoring force proportional to displacement, satisfying the condition for simple harmonic motion.
Q9. If the length of a simple pendulum is increased 4 times, the period of pendulum motion will:
The period of a simple pendulum is proportional to the square root of its length; increasing length by 4 times increases the period by √4 = 2 times.
Q10. If the mass of the bob of pendulum is increased by a factor of 3, the period of pendulum motion will:
The period of a simple pendulum depends only on length and gravity, not on mass, so changing the bob's mass has no effect on the period.
Q11. Which of the following is the method of energy transfer?
Energy is transferred via conduction (direct contact), radiation (electromagnetic waves), and wave motion (mechanical or electromagnetic waves).
Q12. The process in which waves enter from one medium to second medium at some angle their direction of travel may change is called:
Refraction occurs when waves change speed and direction upon entering a different medium due to a change in wave velocity, which is precisely described in the question.
Q13. The bending and spreading of waves around the sharp edges or corners of obstacles is called:
Diffraction is the phenomenon where waves bend around obstacles or spread through openings, especially when the obstacle size is comparable to the wavelength.
Q14. Ripple tank is a device to produce ________ and study their characteristics.
A ripple tank is specifically designed to generate and observe water surface waves to demonstrate wave properties like reflection and diffraction.
Q15. A wave on slinky spring with frequency 4Hz and wavelength of 0.4m has speed:
Wave speed is calculated as v = fλ = 4 Hz × 0.4 m = 1.6 m/s, matching the correct option.
Q16. The distance between two consecutive crests is called:
Wavelength is defined as the distance between two consecutive crests or troughs in a wave, making it the correct term for this measurement.
Q17. The lowest points from the mean position in transverse waves are called:
Troughs are the minimum downward displacements in transverse waves, representing the lowest points relative to the equilibrium position.
Q18. The highest points from the mean position in transverse waves are called:
Crests are the maximum upward displacements in transverse waves, representing the highest points relative to the equilibrium position.
Q19. When a bullet is fired from gun then energy is transferred to the target through:
The bullet, as a physical object, carries kinetic energy and transfers it to the target upon impact through direct contact and matter motion.
Q20. The transfer of energy from sun to earth takes place by means of:
Solar energy reaches Earth through electromagnetic radiation, primarily in the form of visible light and infrared waves, which do not require a medium.
Q21. The waves in which direction of oscillations of medium are parallel to direction of propagation of waves are called.
In longitudinal waves, particles of the medium oscillate parallel to the direction of wave propagation, as seen in sound waves in air.
Q22. X-rays, light waves and radio waves are an example of:
X-rays, light, and radio waves are all transverse waves that propagate without a medium and consist of oscillating electric and magnetic fields, defining them as electromagnetic waves.
Q23. Water waves and sound waves are an example of:
Both require a material medium to propagate, classifying them as mechanical waves.
Q24. Transverse waves travel through solids at a speed of about ________ the speed of longitudinal waves.
In solids, transverse wave speed is typically about half that of longitudinal waves due to differences in restoring forces and material rigidity.
Q25. Longitudinal waves moves ________ through solids than through liquids and gases.
Longitudinal waves travel faster in solids due to higher elasticity and closer molecular spacing compared to liquids and gases.
Q26. Transverse waves consists of ________
Transverse waves exhibit crests (highest points) and troughs (lowest points) as part of their oscillatory pattern perpendicular to propagation.
Q27. Longitudinal waves consists of:
Longitudinal waves propagate through compressions (high pressure) and rarefactions (low pressure), making both essential features.
Q28. The waves in which direction of oscillations are __________ direction of propagation of waves are called transverse waves.
In transverse waves, particles oscillate perpendicular to the direction of wave propagation, such as in light or string waves.
Q29. The waves which require any medium for their propagation are called:
Mechanical waves, such as sound or water waves, require a material medium to propagate, unlike electromagnetic waves which can travel through vacuum.
Q30. In simple harmonic motion the net force is always directed towards _______ position.
The restoring force in SHM always acts toward the mean (equilibrium) position, pulling the object back toward it.
Q31. Simple harmonic motion occurs when the net force is _______ to the displacement.
In SHM, the restoring force is directly proportional to the displacement from the mean position and acts in the opposite direction.
Q32. The frequency of the simple pendulum 1.0m long is:
The frequency of a 1.0m pendulum is f = (1/2π)√(g/L) ≈ 0.50 Hz, so the marked answer is correct; however, the option label was misidentified as correct in the prompt — it is indeed C.
Q33. What is the time period of the simple pendulum 1.0m long?
Using T = 2π√(L/g) with L=1.0m and g=9.8m/s², the calculated period is approximately 2.00s, making 1.99s the closest accurate option.
Q34. The period of a simple pendulum is independent of its:
The period of a simple pendulum depends only on length and gravity; it is independent of mass and amplitude (for small angular displacements).
Q35. The to and fro motion of a body about its mean position is called:
Vibrational motion describes oscillatory movement around an equilibrium point, which matches the definition of to-and-fro motion about the mean position.
Q36. Amplitude in simple harmonic motion is denoted by:
Amplitude is conventionally denoted by 'A' in physics. 'xo' is not standard notation; 'x' is instantaneous displacement, and 'f' is frequency.
Q37. The number of vibrations of vibrating body in one second is called as:
Frequency is the number of complete oscillations or vibrations per unit time, typically measured in hertz (Hz).
Q38. The time to complete one vibration is called:
The time period is defined as the time taken for one complete cycle of oscillation or vibration in simple harmonic motion.
Q39. The maximum displacement on either side of the mean position is called as:
Amplitude is defined as the maximum displacement of a particle from its mean position in simple harmonic motion, making it the correct term for the given definition.
Q40. Any distance of the vibrating body from mean position is called as:
Displacement is defined as the distance of a vibrating body from its mean position at any instant, which matches the definition given.
After Chapter 1: Chapter 1, 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 1
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 1: 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 1 after the quiz
List the questions you missed from Chapter 1 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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