# NEET (NTA-National Eligibility cum Medical Entrance Test) Physics: Questions 1772 - 1775 of 2142

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2142 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: 1772

MCQ▾

### Question

A simple pendulum is set up in a trolley which moves to the right with an acceleration a on a horizontal plane. Then the thread of the pendulum in the mean position makes an angle θ with the vertical is

### Choices

Choice (4) Response

a.

in the forward direction

b.

in the backward direction

c.

in the forward direction

d.

in the backward direction

## Question number: 1773

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

MCQ▾

### Question

Three masses 600g, 300g, and 200g are suspended at the end of a spring are in equilibrium. When the 600g mass is removed, the system oscillates with a period of 4 seconds, when the 300 gm mass is also removed, it will oscillate with a period of

### Choices

Choice (4) Response

a.

2 s

b.

1 s

c.

d.

2.53 s

## Question number: 1774

MCQ▾

### Question

A man is standing between two parallel cliffs and fires a gun. If he hears first and second echoes after 1.5 s and 3.5s respectively, the distance between the cliffs is (Velocity of sound in air = 340 ms -1)

### Choices

Choice (4) Response

a.

510 m

b.

850 m

c.

595 m

d.

1190 m

## Question number: 1775

MCQ▾

### Question

The equation of a progressive wave is given by where x and y are in meter and t is in second. The velocity of the wave is,

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page