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

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 »