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 : 21 [UPPSC (RI) 2014]

Light appears to travel in a straight line because

a) The wavelength of light is very small

b) The velocity of light is very large

c) It consists of small particles

d) Light is reflected by the surroundings

Answer: (a)

Question : 22

If a tunnel is dug along the diameter of earth and a piece of stone is dropped into it, then the stone will

a) start oscillating about the centre of the earth

b) come out of the another end of the earth and will escape out in space

c) come to rest at the centre of the earth

d) stop at another end of the earth

Answer: (a)

Question : 23 [PCS (Pre) 2012]

Assertion (A):
The handle of pressure cooker is made up of Abonite.
Reason (R):
Abonite is a hard material.
Code

a) Both (A) and (R) are true, but (R) is not the correct explanation of (A)

b) (A) is true, but (R) is false

c) Both (A) and (R) are true and (R) is the correct explanation of (A)

d) (A) is false, but (R) is true

Answer: (a)

Question : 24 [UPPCS (Mains) 2013]

The red colour of the Sun at Sunset and Sunrise is due to

a) Total internal reflection of light

b) Refraction of light

c) Scattering of light

d) Dispersion of light

Answer: (c)

Question : 25 [RAS/RTS (Pre) 1996]

Which of the following has the longest wavelength?

a) X-rays

b) Visible light

c) Infrared

d) Radio waves

Answer: (d)

IMPORTANT general science mcq EXERCISES

set 3 Online Quiz

Click to Start..
1641 light thermodynamics sound optics and oscillations based general science mcq set 3 question answer pdf
general science mcq CATEGORIES

Recently Added Subject & Categories For All Competitive Exams

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 »

Free Percentage Questions Answers for SSC STENO 2024 Exam

Important Top Percentage Aptitude-based multiple choice questions and answers practice quiz series, Online Mock Test PDF for SSC Steno Grade C & D 2024 Exam

25-Apr-2024 by Careericons

Continue Reading »