NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics: Questions 322 - 326 of 5119

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Question 322

Question MCQ▾

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.

1.96 cm/s

c.

1.25 cm/s

d.

4.89 cm/s

Edit

Question 323

Question MCQ▾

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.

1.45

b.

2.006

c.

14.15

d.

4.02

Edit

Question 324

Question MCQ▾

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

b.

Temperature ⇾ Time -Choice B

c.

Temperature ⇾ Time -Choice C

d.

Temperature ⇾ Time - Choice D

Edit

Question 325

Question MCQ▾

Electric lines of force at negative point charge are

Choices

Choice (4)Response

a.

Circular, clockwise

b.

Circular, anticlockwise

c.

Radial, outward

d.

Radial, inward

Edit

Question 326

Question MCQ▾

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.

531 N-m

b.

350 N-m

c.

440 N-m

d.

628 N-m

Edit