light, heat, thermodynamics, wave motion, sound, optics & oscillations - Category wise Question and Answer Practice Test with Solutions

light, heat, thermodynamics, wave motion, sound, optics & oscillations PRACTICE TEST [16 - 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

Question : 6

A : At high altitude regions the cooking of food becomes difficult. B : Water boils at lower temperature when the pressure is low.

a) A and B are correct and B is the correct explanation of A.

b) Both A and B are wrong.

c) A and B are correct and B is not the correct explanation of A.

d) A is correct but B is wrong.

Answer: (a)

Question : 7 [UPPCS (Pre) 1996]

What is the function of the thermostat of a refrigerator?

a) To increase the freezing point

b) To maintain constant temperature

c) To lower the temperature

d) To decrease the melting point

Answer: (b)

Question : 8 [RAS/RTS (Pre) 2012]

A biotechnique in which ultrasonic sound is used

a) E.C.G.

b) E.E.G.

c) Sonography

d) X-ray

Answer: (c)

Question : 9

‘The stars seem to be higher on the sky than they actually are’. This can be explained by

a) total internal reflection

b) atmospheric refraction

c) dispersion of light

d) diffraction of light

Answer: (b)

Due to atmospheric refraction the twinkling of star, and their position appear higher than the normal.

Question : 10 [RAS/RTS (Pre) 1996]

To keep drinks at the same temperature for quite sometime, the walls of thermos bottle are coated with

a) Lead Powder

b) Silver Layer

c) Aluminium Paint

d) Mercury Layer

Answer: (b)

IMPORTANT general science mcq EXERCISES

set 11 Online Quiz

Click to Start..
1649 heat wave motion sound optics oscillations based general science mcq set 11 question answer pdf
general science mcq CATEGORIES

Recently Added Subject & Categories For All Competitive Exams

Most Important Antonyms Vocabulary - IBPS Clerk Prelims 2024

Latest Antonyms multiple choice questions and answers with free PDFfor IBPS Clerk Prelims 2024. English Vocabulary practice exercise for all bank exam

17-May-2024 by Careericons

Continue Reading »

Syllogism Practice Questions Answers PDF - IBPS Clerk 2024

Practice Verbal Reasoning Syllogism multiple choice questions and answers with Fully solved explanation, PDF for the IBPS Clerk Prelims 2024 Bank Exam

16-May-2024 by Careericons

Continue Reading »

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 »