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 |
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 |
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. | ||
b. | ||
c. | ||
d. |
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 |
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 |