BITSAT (Birla Institute of Technology & Science Admission Test) Physics: Questions 309 - 314 of 382

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Question 309

Question

MCQ▾

Two magnets of magnetic moment and are placed in a vibration magnetometer, with identical poles in the same direction. The time-period of vibration of the combination is . If the same magnets are placed with opposite poles together and vibrate with time period , then –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 310

Question

MCQ▾

What determines the nature of the path followed by the particle?

Choices

Choice (4)Response

a.

Direction of acceleration

b.

Velocity

c.

Acceleration

d.

All a., b. and c. are correct

Question 311

Question

MCQ▾

Two identical mercury drops, each of radius are charged to the same potential . If the mercury drops coalesce to form a big drop of radius , then potential of the combined drop will be –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 312

Question

MCQ▾

At what angle, a ray of light will be incident on one face of an equilateral prism, so that the emergent ray may graze the second surface of the ,

Choices

Choice (4)Response

a.

b.

c.

d.

Question 313

Question

MCQ▾

Which of the following is most unstable?

Choices

Choice (4)Response

a.

Neutrons

b.

Electrons

c.

Protons

d.

Particle

Question 314

Question

MCQ▾

A block of mass just slides over a horizontal distance of . If the coefficient of friction between their surface is then work done against friction will be –

Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

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