AIIMS Physics: Questions 167 - 170 of 500

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: 167

» Oscillations and Waves » Displacement Relation for a Progressive Wave

Appeared in Year: 2003

MCQ▾

Question

An earthquake generates both transverse (S) and longitudinal (P) sound waves in the earth. The speed of S waves is about 4.5kms and that of P waves is about 8.0kms . A seismograph records P and S waves from an earthquake. The first P wave arrives 4.0 min before the first S wave. The epicenter of the earthquake is located at a distance of about –

Choices

Choice (4) Response

a.

250 km

b.

25 km

c.

2500 km

d.

5000 km

Question number: 168

» Oscillations and Waves » Doppler Effect in Sound

Appeared in Year: 1999

MCQ▾

Question

A siren emitting sound of frequency 500 Hz is going away form a static listener with a speed of 50msec . The frequency of sound to be heard directly from the siren is –

Choices

Choice (4) Response

a.

434.2 Hz

b.

484.2 Hz

c.

256.5 Hz

d.

589.3 Hz

Question number: 169

» Wave Optics » Interference

Appeared in Year: 2002

MCQ▾

Question

What is the path difference for destructive interference?

Choices

Choice (4) Response

a.

nλ

b.

(2n+1)λ2

c.

(n+1)λ2

d.

n(λ+1)

Question number: 170

» Thermodynamics » Thermal Equilibrium

Appeared in Year: 2006

MCQ▾

Question

Two balloons are filled, one with pure He gas and the other by air, respectively. If the pressure and temperature of these balloons are same then the number of molecules per unit volume is –

[AIIMS, UPCPMT 06]

Choices

Choice (4) Response

a.

more in air filled balloon

b.

in the ratio of 1: 4

c.

same in both balloons

d.

more in the He filled balloon

f Page
Sign In