Oscillations and Waves (AIIMS Physics): Questions 15 - 18 of 50

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 500 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 350.00 or

Question number: 15

» Oscillations and Waves » Displacement Relation for a Progressive Wave

Appeared in Year: 2002

MCQ▾

Question

If equation of a sound wave is y=0.0015sin(62.8x+314t) then its wavelength will be –

Choices

Choice (4) Response

a.

2 unit

b.

0.1 unit

c.

0.2 unit

d.

0.3 unit

Question number: 16

» Oscillations and Waves » Harmonics

Appeared in Year: 2002

MCQ▾

Question

The graph between wave number (ν) and angular frequency (ω) is –

Choices

Choice (4) Response

a.

Graph of angular frequency vs wave number: Choice - A

Graph of Angular Frequency vs Wave Number: Choice - A

In figure graph between angular frequency and wave number is shown.

b.

Graph of angular frequency vs wave number: Choice - B

Graph of Angular Frequency vs Wave Number: Choice - B

In figure graph between angular frequency and wave number is shown.

c.

Graph of angular frequency vs wave number: Choice - C

Graph of Angular Frequency vs Wave Number: Choice - C

In figure graph between angular frequency and wave number is shown.

d.

Graph of angular frequency vs wave number: Choice - D

Graph of Angular Frequency vs Wave Number: Choice - D

In figure graph between angular frequency and wave number is shown.

Question number: 17

» Oscillations and Waves » Reflection of Waves

Appeared in Year: 1999

MCQ▾

Question

‘SONAR’ emits which of the following waves?

Choices

Choice (4) Response

a.

Ultrasonic waves

b.

Radio waves

c.

Light waves

d.

Magnetic waves

Question number: 18

» Oscillations and Waves » Displacement Relation for a Progressive Wave

Appeared in Year: 2001

MCQ▾

Question

How does the red shift confirm that the universe is expanding?

Choices

Choice (4) Response

a.

wavelength of light emitted by galaxies appears to decrease

b.

wavelength of light emitted by galaxies appears to increase

c.

wavelength of light emitted by galaxies appears to be the same

d.

Question does not provide sufficient data or is vague

Sign In