NEET Physics: Questions 1784 - 1788 of 2098

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2098 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

Question number: 1784

» Oscillations and Waves » Speed of a Wave

MCQ▾

Question

The amplitude of a wave, represented by displacement equation y=1asinωt±1bcosωt will be.

Choices

Choice (4) Response

a.

a+bab

b.

a+bab

c.

a±bab

d.

a+bab

Question number: 1785

» Oscillations and Waves » Periodic Motion - Period Frequency

MCQ▾

Question

The equation of a plane progressive wave is given by y=0.025sin(200t+0.25x) . The frequency of this wave would be,

Choices

Choice (4) Response

a.

100πHz

b.

50Hz

c.

50πHz

d.

100Hz

Question number: 1786

» Oscillations and Waves » Displacement Relation for a Progressive Wave

MCQ▾

Question

The displacement due to a wave moving in the positive x –direction is given by

y=1(1+x2) at time t = 0 and by y=1[1+(x1)2] at t = 2 seconds, where x and y are in meter. The velocity of the wave in m/s is,

Choices

Choice (4) Response

a.

0.5

b.

2

c.

1

d.

4

Question number: 1787

» Oscillations and Waves » Periodic Functions

MCQ▾

Question

Two masses m 1 and m 2 are suspended together by a massless spring of constant k. When the masses are in equilibrium, m 1 is removed without disturbing the system. The amplitude of oscillations is,

Choices

Choice (4) Response

a.

m1gk

b.

(m1+m2)gk

c.

(m1m2)gk

d.

m2gk

Question number: 1788

» Oscillations and Waves » Simple Harmonic Motion » Oscillations of a Spring

MCQ▾

Question

A particle of mass m is attached to three identical springs A, B and C each of force constant k. If the particle of mass m is pushed slightly against the spring A and released then the time period of oscillations is

Choices

Choice (4) Response

a.

2πm2k

b.

2π2mk

c.

2πmk

d.

2πm3k

Sign In