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 [UPPCS (Pre) 2014]

The minimum height of a plane mirror to see the full size image of a person is equal to

a) One-fourth the height of the person

b) Half the height of the person

c) The height of the person

d) Double the height of the person

Answer: (b)

Question : 7

_____ is the characteristic of a musical sound by which a loud sound can be distinguished from a faint sound even though both have the same pitch.

a) Quality

b) Loundness

c) Pitch

d) None of these

Answer: (b)

Question : 8

Match the Column - I and Column - II

Column I Column II
A. Audible range in humans P. greater than 20,000 Hz
B. Ultrasonic waves Q. 20 Hz – 20,000 Hz
C. Infrasonic waves R. 1498 m/s
D. Speed of sound in water (distilled) S. 343.2 m/s
E. Speed of sound in air T. less than 20 Hz
Choose the correct option from the codes given below for (A), (B), (C), (D) and (E).

a) A-Q; B-P; C-T; D-R; E-S

b) A-Q; B-P; C-T; D-S; E-R

c) A-P; B-Q; C-T; D-R; E-S

d) A-Q; B-T; C-P; D-R; E-S

Answer: (a)

Question : 9 [UP (Spl) (Pre) 2002]

Assertion (A):
Reveraberation mainly feels in large churches and in other large buildings.
Reason (R):
The walls, roof and ground may cause multiple sound reflections.
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: (c)

Question : 10 [BPSC (Pre) 2005]

The correct order of colours in a rainbow is

a) Blue, yellow, green

b) Violet, green, blue

c) Blue, green, violet

d) Blue, green, yellow

Answer: (d)

IMPORTANT general science mcq EXERCISES

set 4 Online Quiz

Click to Start..
1642 light thermodynamics sound optics and oscillations based general science mcq set 4 question answer pdf
general science mcq CATEGORIES

Recently Added Subject & Categories For All Competitive Exams

100+ Quadratic Equation Questions Answers PDF for Bank

Quadratic Equation multiple choice questions with detailed answers for IBPS RRB SO. more than 250 Attitude practice test exercises for all competitive exams

03-Jul-2024 by Careericons

Continue Reading »

IBPS Aptitude Linear Equations MCQ Questions Answers PDF

Linear equations multiple choice questions with detailed answers for IBPS RRB SO. more than 250 Attitude practice test exercises for all competitive exams

03-Jul-2024 by Careericons

Continue Reading »

New 100+ Compound Interest MCQ with Answers PDF for IBPS

Compound Interest verbal ability questions and answers solutions with PDF for IBPS RRB PO. Aptitude Objective MCQ Practice Exercises all competitive exams

02-Jul-2024 by Careericons

Continue Reading »

100+ Mixture and Alligation MCQ Questions PDF for IBPS

Most importantly Mixture and Alligation multiple choice questions and answers with PDF for IBPS RRB PO. Aptitude MCQ Practice Exercises all Bank Exams

02-Jul-2024 by Careericons

Continue Reading »