light-sound-heat-l2 MCQ — 10 Practice Questions with Answers

light-sound-heat-l2 is a mathematics-science topic in the RAS/RPSC syllabus. This page gathers exam-style light-sound-heat-l2 multiple-choice questions with correct answers and explanations, so aspirants can test recall and revise frequently examined concepts.

Practice 10 light-sound-heat-l2 multiple-choice questions with detailed answers and explanations. Ideal for RAS/RPSC exam preparation.

10 Questions mathematics-science

Reviewed by: Aspirant Academy Editorial Team

Q1. Match the child observation with the concept: Asha sees a shadow; Imran sees same-size mirror image; Karan tightens a rubber band.

A Shadow-refraction; mirror image-convection; tight band-conduction.

B Shadow-noise; mirror image-temperature; tight band-evaporation.

C Shadow-blocked light; mirror image-reflection; tight band-higher pitch. Correct

D Shadow-radiation; mirror image-sublimation; tight band-condensation.

Explanation

The correct match keeps each child’s activity in its own concept family. Asha’s shadow comes from blocked light, Imran’s mirror observation from reflection, and Karan’s pitch change from vibration frequency.

Q2. Assertion: Curtains and soft boards may reduce classroom noise. Reason: Soft surfaces can absorb part of the sound energy instead of reflecting it strongly.

A Both are false.

B Both are true, and the reason explains the assertion. Correct

C The assertion is true, but the reason is about refraction of light.

D The assertion is false, but the reason is true for boiling water.

Explanation

The assertion and reason fit together. Devika’s suggestion of curtains or soft boards is a classroom application of reducing reflected sound and making group work easier.

Q3. Which option best distinguishes conduction, convection and radiation?

A Conduction uses contact, convection uses moving fluid, radiation can occur without a material medium. Correct

B Conduction is only for light, convection only for sound, radiation only for mirrors.

C All three require a steel rod and no temperature difference.

D All three mean the same thing at Class 6 level.

Explanation

This hard item is about mechanism, not memorised names. Conduction, convection and radiation are all heat transfer, but the route of transfer is different in each case.

Q4. Imran says a thermometer measures heat directly. What correction is most accurate?

A A thermometer measures the colour of a hot body.

B A thermometer measures temperature, a reliable measure of hotness or coldness. Correct

C A thermometer measures the loudness of boiling water.

D A thermometer measures only whether metal is a conductor.

Explanation

The correction is that a thermometer measures temperature. Imran’s misconception is common because heat and temperature are used loosely in daily speech, but science separates them.

Q5. Devika writes: “A convex mirror makes an erect and smaller image.” How should the teacher respond?

A Reject it because every mirror always gives same-size images.

B Accept it for a convex mirror and ask her to connect it with field of view. Correct

C Change it to echo because smaller image means softer sound.

D Call it evaporation because the image disappears.

Explanation

The teacher should accept Devika’s statement for a convex mirror and extend it to use, such as wider field of view. The distractors confuse plane mirrors, sound and phase change.

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Frequently Asked Questions

How many light-sound-heat-l2 MCQ questions are available?

There are 10 light-sound-heat-l2 practice MCQs available on Aspirant Academy, with detailed answers and explanations for each question.

Are answers and explanations provided for light-sound-heat-l2 MCQs?

Yes, every light-sound-heat-l2 question comes with the correct answer and a detailed explanation to help you understand the underlying concept.

How is light-sound-heat-l2 relevant to the RAS/RPSC exam?

light-sound-heat-l2 falls under the mathematics-science section of the RAS/RPSC syllabus. It is a frequently tested area and regular practice with these MCQs will strengthen your preparation.

Can I practice light-sound-heat-l2 questions in Hindi?

Yes, Aspirant Academy offers bilingual support. You can practice light-sound-heat-l2 MCQs in both English and Hindi, including questions, options, and explanations.

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light-sound-heat-l2 MCQ — 10 Practice Questions with Answers

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light-sound-heat-l2 MCQ — 10 Practice Questions with Answers

Practice Questions

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Frequently Asked Questions

More Topics in mathematics-science

algebraic-expressions-and-identities-l2

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