Physics-Sound (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 5 - 12 of 12

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 816 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 400.00 or

Question number: 5

» Physics » Sound

MCQ▾

Question

Which one of the following statements is wrong?

Choices

Choice (4) Response

a.

Sound travels in the form of waves

b.

Sound travels in straight line

c.

Sound travels faster in vacuum than in air

d.

Sound is a form of energy

Question number: 6

» Physics » Sound

MCQ▾

Question

Synonym for Quality is

Choices

Choice (4) Response

a.

Timbre

b.

loudness

c.

intensity

d.

frequency

Question number: 7

» Physics » Sound

MCQ▾

Question

If the temperature of the atmosphere is increased the following character of the sound wave is affected

Choices

Choice (4) Response

a.

velocity

b.

wavelength

c.

frequency

d.

amplitude

Question number: 8

» Physics » Sound

MCQ▾

Question

Frequency range of the audible sounds is

Choices

Choice (4) Response

a.

0 Hz - 30 Hz

b.

20 kHz - 20, 000 kHz

c.

20 Hz - 20 kHz

d.

20 kHz - 20 MHz

Question number: 9

» Physics » Sound

MCQ▾

Question

Sound waves of wavelength greater than that of audible sound are called

Choices

Choice (4) Response

a.

ultrasonic waves

b.

sonic waves

c.

seismic waves

d.

infrasonic waves

Question number: 10

» Physics » Sound

MCQ▾

Question

In a medium, sound travels 2 km in 3 s and in air, it travels 3 km in 10 s. The ratio of the wavelength of sound in the two medium is

Choices

Choice (4) Response

a.

1: 18

b.

8: 1

c.

1: 8

d.

20: 9

Question number: 11

» Physics » Sound

MCQ▾

Question

Sonar emits which of the following waves?

Choices

Choice (4) Response

a.

Light waves

b.

Magnetic waves

c.

Radio waves

d.

Ultrasonic waves

Question number: 12

» Physics » Sound

MCQ▾

Question

Which of the following is the longitudinal wave?

Choices

Choice (4) Response

a.

Water waves

b.

Waves on plucked string

c.

Sound waves

d.

Light waves

f Page
Sign In