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 : 16 [IAS (Pre) 2001]

What changes will the volume of water show if the temperature is lowered from 9ºC to 3ºC?

a) The volume will first increase and then decrease

b) The volume will first decrease and then increase

c) The volume will not change

d) Water will freeze

Answer: (b)

Question : 17 [RAS/RTS (Pre) 2007]

The Sun is visible to us a few minutes before the actual sunrise because of

a) Total internal reflection of light

b) Diffraction of light

c) Scattering of light

d) Refraction of light

Answer: (d)

Question : 18

Two spheres of same size are made of the same metal but one is hollow and the other is solid. They are heated to same temperature, then

a) solid sphere will expand more than the hollow one

b) both spheres will expand equally

c) hollow sphere will expand more than the solid one

d) None of the above

Answer: (b)

Question : 19

The fine powder of a coloured glass is seen as

a) black

b) coloured

c) white

d) that of the glass colour

Answer: (c)

All colours are reflected.

Question : 20

Heat travels through vacuum by

a) Radiation

b) Conduction

c) Convection

d) Both (a) and (b)

Answer: (a)

Heat radiations are electromagnetic waves of high wavelength.

IMPORTANT general science mcq EXERCISES

set 9 Online Quiz

Click to Start..
1647 light thermodynamics sound optics and oscillations based general science mcq set 9 question answer pdf
general science mcq CATEGORIES

Recently Added Subject & Categories For All Competitive Exams

SSC STENO: Mensuration Area & Volume Questions Test PDF

Free Mensuration Area and Volume Aptitude-based Practice multiple questions with solutions, Quiz, Full Mock Test & PDF for SSC Steno (Grade C & D) 2024 Exam

30-Apr-2024 by Careericons

Continue Reading »

SSC STENO: Speed Time and Distance MCQ Questions Test PDF

Free Time and Distance Aptitude-based Practice multiple questions with solutions, Quiz series, Mock Test & Download PDF for SSC Steno (Grade C & D) 2024 Exam

29-Apr-2024 by Careericons

Continue Reading »

SSC STENO: Time & Work Questions Solved Problems with PDF

Free Time and work Aptitude-based Practice multiple questions with solutions, Quiz series, Mock Test & Downloadable PDF for SSC Steno (Grade C & D) 2024 Exam

27-Apr-2024 by Careericons

Continue Reading »

SSC STENO 2024: Free Reading Comprehension MCQ Test PDF

Top Reading Comprehension English Section-wise multiple choice questions and answers, Full Mock Test Series & Online Quiz for SSC Steno Grade C & D 2024 Exam

26-Apr-2024 by Careericons

Continue Reading »