AIPMT 2001 | Gravitation Question 58 | Physics

AIPMT 2001

MCQ (Single Correct Answer)

-1

With what velocity should a particle be projected so that its height becomes equal to radius of earth?

$${\left( {{{GM} \over R}} \right)^{1/2}}$$

$${\left( {{{8GM} \over R}} \right)^{1/2}}$$

$${\left( {{{2GM} \over R}} \right)^{1/2}}$$

$${\left( {{{4GM} \over R}} \right)^{1/2}}$$

AIPMT 2000

MCQ (Single Correct Answer)

-1

A body of weight 72 N moves from the surface of earth at a height half of the radius of earth, then gravitational force exerted on it will be

36 N

32 N

144 N

50 N

AIPMT 2000

MCQ (Single Correct Answer)

-1

Gravitational force is required for

stirring of liquid

convection

conduction

radiation.

AIPMT 2000

MCQ (Single Correct Answer)

-1

For a planet having mass equal to mass of the earth but radius is one fourth of radius of the earth. Then escape velocity for this planet will be

11.2 km/sec

22.4 km/sec

5.6 km/sec

44.8 km/sec.

NEET Subjects

Biology

Botany

Zoology