NEET Physics: Questions 1764 - 1768 of 2099

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2099 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: 1764

» Oscillations and Waves » Displacement Relation for a Progressive Wave

MCQ▾

Question

The equation of a wave is given as y=1.1sin(4200πt18πx) .

Where x is in meter and t in sec, then the correct statement is,

Choices

Choice (4) Response
a.

λ=19m,v=233.33ms

b.

a=1.1m,v=300ms

c.

n=2000,v=200ms

d. None of the above

Question number: 1765

» Oscillations and Waves » Simple Pendulum

MCQ▾

Question

The length of a simple pendulum is increased by 1%. Its time period will

Choices

Choice (4) Response
a.

Increase by 2%

b.

Increase by 0.5%

c.

Decrease by 0.5%

d.

Increase by 1%

Question number: 1766

» Oscillations and Waves » Simple Pendulum

MCQ▾

Question

A simple pendulum consisting of a ball of mass m tied to a thread of length l is made to swing on a circular arc of angle θ in a vertical plane. At the end of this arc, another ball of mass m is placed at rest. The momentum transferred to this ball at rest by the swinging ball is

Choices

Choice (4) Response
a.

1

b.

lg

c.

Zero

d.

mgl

Question number: 1767

» Oscillations and Waves » Speed of a Wave

Assertion-Reason▾

Assertion (Ꭺ)

Sound travels faster during a clear sunny day than during a clear night.

Reason (Ꭱ)

The velocity of sound is directly proportional to the square of temperature of the medium.

Choices

Choice (4) Response
a. Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ
b. Ꭺ is false but Ꭱ is true
c. Ꭺ is true but Ꭱ is false
d. Both Ꭺ and Ꭱ are false

Question number: 1768

» Oscillations and Waves » Simple Harmonic Motion » Energy

MCQ▾

Question

A loaded vertical spring executes simple harmonic oscillation with period of 4 s. The difference between the kinetic energy and potential energy of this system oscillates with a period of:

Choices

Choice (4) Response
a.

8 s

b.

1 s

c.

4 s.

d.

2 s

Sign In