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

Consider the following statements :

  1. Fahrenheit is the smallest unit measuring temperature.
  2. Fahrenheit was the first temperature scale used for measuring temperature.
  3. The temperature at which Centigrade and Fahrenheit thermometers read the same is – 40°.
Which of the statements are correct?

a) 2 and 3

b) 1 and 3

c) 1 and 2

d) 1, 2 and 3

Answer: (b)

Reamer was the first temperature scale.

Question : 17 [CDS]

In SONAR, we use

a) infrasonic waves

b) ultrasonic waves

c) radio waves

d) audible sound waves

Answer: (b)

Question : 18 [NDA]

A sonometer wire having a length of 50 cm is vibrating in the fundamental mode with a frequency of 100Hz. Which of the following is the type of propagating wave and its speed?

a) Transverse, 50 m/s

b) Longitudinal, 50 m/s

c) Longitudinal, 100 m/s

d) Transverse, 100 m/s

Answer: (d)

Question : 19

Twinkling of stars is on account of

a) large size of stars

b) large distance of stars and storms in air

c) small size of stars

d) large distance of stars and fluctuations in the density of air

Answer: (d)

Question : 20

The temperature of a room is 77°F. What would it be on the Celsius scale?

a) 60°C

b) 25°C

c) 45°C

d) 350°C

Answer: (b)

IMPORTANT general science mcq EXERCISES

set 10 Online Quiz

Click to Start..
1648 heat wave motion sound optics oscillations based general science mcq set 10 question answer pdf
general science mcq CATEGORIES

Recently Added Subject & Categories For All Competitive Exams

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 »

Free Antonyms (English) MCQ Test for SSC STENO 2024 Exam

Top Antonyms General English Section-based multiple choice questions and answers, Free Full Test Series & Online Quiz PDF for SSC Steno Grade C & D 2024 Exam

24-Apr-2024 by Careericons

Continue Reading »