BITSAT (Birla Institute of Technology & Science Admission Test) Physics: Questions 285 - 290 of 501

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Question 285

Question MCQ▾

The length of second՚s pendulum is on earth. If mass and diameter of the planet is doubled than that of earth, then length becomes –

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 286

Question MCQ▾

A galvanometer of resistance gives full-scale deflection with current. How much resistance should be connect to convert into an ammeter of range ?

Choices

Choice (4)Response

a.

in Parallel

b.

in Parallel

c.

in series

d.

in series

Edit

Question 287

Question MCQ▾

If the radius of earth is reduced by without changing the mass, then change in the acceleration due to gravity will be –

Choices

Choice (4)Response

a.

increase

b.

decrease

c.

increase

d.

decrease

Edit

Question 288

Question MCQ▾

The velocity of an electron in the inner – most orbit of an atom is –

Choices

Choice (4)Response

a.

Highest

b.

Zero

c.

Lowest

d.

Mean

Edit

Question 289

Question MCQ▾

If a cyclist moving with a speed of on a level road can take a sharp circular turn of radius , then coefficient of friction between the cycle tires and road is –

Choices

Choice (4)Response

a.

0.71

b.

0.61

c.

0.51

d.

0.41

Edit

Question 290

Question MCQ▾

For a gas, if the ratio of specific heats at constant pressure and volume is then the value of degree of freedom is –

Choices

Choice (4)Response

a.

b.

c.

d.

Edit