set 3 MCQ Questions & Answers Detailed Explanation

MOST IMPORTANT general science mcq - 16 EXERCISES

Top 30,000+ General Science Memory Based Exercises

The following question based on light, heat, thermodynamics, wave motion, sound, optics & oscillations topic of general science mcq

Questions : It is more comfortable to wear white cloth in summer because

(a) They radiate heat transferred from the body

(b) They absorb perspiration

(c) They reflect all the heat falling on them

(d) They are soothing to the eye

The correct answers to the above question in:

Answer: (c)

Read more questions on light heat thermodynamics wave sound optics oscillation of physics gk set 3 Click Here »

Practice light, heat, thermodynamics, wave motion, sound, optics & oscillations (set 3) Online Quiz

Discuss Form

Valid first name is required.
Please enter a valid email address.
Your genuine comment will be useful for all users! Each and every comment will be uploaded to the question after approval.

Read more light heat thermodynamics wave sound optics oscillation Based General Science Questions and Answers

Question : 1

Which of the following is not close to a black body?

a) Black holes

b) Black board paint

c) Green leaves

d) Red roses

Answer: (b)

Question : 2

When a drop of oil is spread on a water surface, it displays beautiful colours in daylight because of

a) polarization of light

b) dispersion of light

c) reflection of light

d) interference of light

Answer: (d)

The colours are seen due to interference of light. The colours seen in reflected light are complementary with the colours seen in transmitted light.

Question : 3

Ultrasonics are sound waves of frequency

a) Less than 10,000 Hz

b) Equal to 1000 Hz

c) Greater than 20,000 Hz

d) None of the above

Answer: (c)

Question : 4

Range of audio-frequencies is

a) 103 – 105 Hz

b) 1 –15 Hz

c) 20 – 20, 000 Hz

d) 106 – 108 Hz

Answer: (c)

Question : 5

If you are at open-air concert and someone’s head gets between you and the orchestra, you can still hear the orchestra because

a) the sound is reflected from the head

b) sound waves pass easily through a head

c) a head is not very large compared with the wavelength of the sound

d) the wavelength of the sound is much smaller than the head

Answer: (c)

Question : 6

Waves used for telecommunication are

a) Ultraviolet

b) Infrared

c) Visible light

d) Microwave

Answer: (d)

Need More Mcqs on light, heat, thermodynamics, wave motion, sound, optics & oscillations of set 3 Click Here »
GET light, heat, thermodynamics, wave motion, sound, optics & oscillations PRACTICE TEST EXERCISES

set 1

set 2

set 3

set 4

set 5

set 6

set 7

set 8

set 9

set 10

set 11

set 12

set 13

set 14

set 15

set 16
Verbal Reasoning
Question & Answer Quiz
Non Verbal Reasoning
Question & Answer Quiz
Quantitative Aptitude
Question & Answer Quiz
Computer MCQ
Question & Answer Quiz
General English
Question & Answer Quiz
History GK
Question & Answer Quiz
Polity GK
Question & Answer Quiz
Geography GK
Question & Answer Quiz
Economy GK
Question & Answer Quiz
General Awareness GK
Question & Answer Quiz

Recently Added Subject & Categories For All Competitive Exams

IBPS Clerk Prelims 2024 Synonyms Questions Solved Answers

Most important IBPS Clerk Prelims 2024 Synonyms and Antonyms multiple choice questions and answers with detailed solutions, English vocabulary PDF Download

14-May-2024 by Careericons

Continue Reading »

New Cloze Test Questions and Answers PDF - IBPS Clerk 2024

The most important Cloze Test questions with detailed answers for upcoming IBPS Clerk prelims 2024. Latest English verbal ability practice MCQs, PDF

13-May-2024 by Careericons

Continue Reading »

Mensuration Aptitude Practice Mcq Questions IBPS Clerk 2024

Most Important Practice Mensuration aptitude multiple choice questions, answers with detailed solutions, PDF beginner to advanced for IBPS Clerk Prelims 2024

11-May-2024 by Careericons

Continue Reading »

Top Clock Aptitude Questions and Answers PDF IBPS Clerk 2024

Recent Important IBPS Clerk Prelims 2024 Aptitude Clock MCQ Questions and answers with easy and logical explanation, PDF. Topic wise Free online practice test

10-May-2024 by Careericons

Continue Reading »