NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 322 - 326 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: 322

» Kinematics » Average Speed and Instantaneous Velocity

MCQ▾

Question

A disc of mass 5 gm is kept horizontally in air by firing bullets of mass 10 g each at the rate of 20/s. If the bullets rebound with same speed. The velocity with which the bullets are fired is –

Choices

Choice (4) Response

a.

9.28 cm/s

b.

1.25 cm/s

c.

1.96 cm/s

d.

4.89 cm/s

Question number: 323

» Laws of Motion » Force and Inertia

MCQ▾

Question

A cane filled with water is revolved in a vertical circle of diameter 2 m and the water does not fall down n maximum period of revolution must be –

Choices

Choice (4) Response

a.

14.15

b.

4.02

c.

1.45

d.

2.006

Question number: 324

» Properties of Solids & Liquids » Temperature

MCQ▾

Question

The temperature-time variation graphs, as obtained by four students 1, 2, 3 and 4 are as shown. The graphs, likely to be wrong are

Choices

Choice (4) Response

a.

 temperature → time - choice A

Temperature → Time - Choice A

shows the curve of temperature → time.

b.

temperature → time -Choice B

Temperature → Time -Choice B

shows the curve of temperature → time.

c.

temperature → time -Choice C

Temperature → Time -Choice C

shows the curve of temperature → time.

d.

temperature → time - choice D

Temperature → Time - Choice D

shows the curve of temperature → time.

Question number: 325

» Electrostatics » Electric Field Due to a Point Charge

MCQ▾

Question

Electric lines of force at negative point charge are

Choices

Choice (4) Response

a.

Radial, inward

b.

Circular, anticlockwise

c.

Radial, outward

d.

Circular, clockwise

Question number: 326

» Rotational Motion » Torque

MCQ▾

Question

An automobile engine develops 100 kW when rotating at a speed of 1800 rev/min. What torque does it deliver?

Choices

Choice (4) Response

a.

350 N-m

b.

440 N-m

c.

628 N-m

d.

531 N-m

f Page
Sign In