At what height above the surface of the ...

At what height above the surface of the earth will the acceleration due to gravity be `25%` of its value on the surface of the earth ? Assume that the radius of the earth is 6400 km .

A

`(R)/(4)`

B

R

C

`(3R)/(8)`

D

`(R)/(2)`

Text Solution

Verified by Experts

The correct Answer is:

B

Topper's Solved these Questions

NTA NEET TEST 22
NTA MOCK TESTS|Exercise PHYSICS|45 Videos
NTA NEET TEST 64
NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

How high above the surface of the Earth does the acceleration due to gravity reduce by 36% of its value on the surface of the Earth ?

How much above the surface of the earth does the acceleration due to gravity reduce by 36% of its value on the surface of the earth.

At what height above the surface of earth , acceleration due to gravity will be (i) 4% , (ii) 50% of its value on the surface of the earth ? Given , radius of the earth = 6400 km .

How much below the surface of the earth does the acceleration due to gravity become 70% of its value at the surface of the earth ? Radius of the earth is 6400 km

The height above the surface of the earth where acceleration due to gravity is 1/64 of its value at surface of the earth is approximately.

Find the height above the surface of the earth where the acceleration due to gravity reduces by (a) 36% (b) 0.36% of its value on the surface of the earth. Radius of the earth R = 6400 km.

The depth from the surface of the earth where acceleration due to gravity is 20% of its value on the surface of the earth is (R = 6400 km)

At what height the acceleration due to gravity decreases by 36% of its value on the surface of the earth ?

At what depth below the surface of earth the acceleration due to gravity becomes one-third of its value at the surface of earth ?

Calculate the depth below the surface of the earth where acceleration due to gravity becomes half of its value at the surface of the earth . Radius of the earth = 6400 km.

NTA MOCK TESTS-NTA NEET TEST 25-PHYSICS

Find the maximum speed with which an automobile can round a curve of r...
Text Solution
|
Imagine a light planet revolving around a very massive star in a circu...
Text Solution
|
At what height above the surface of the earth will the acceleration du...
Text Solution
|
A particle is executing simple harmonic motion with an amplitude A and...
Text Solution
|
If at some instant of time, the displacement of a simple harmonic osci...
Text Solution
|
A vertical capillary of radius r is brought in constant with water of ...
Text Solution
|
A closed compartment containing gas is moving with some acceleration i...
Text Solution
|
When a ceiling fan is switched on, it makes 10 rotations in the first ...
Text Solution
|
Let I be the moment of interia of a uniform square plate about an axis...
Text Solution
|
The shorted wavelength of X- rays emitted from an X- rays tube depends...
Text Solution
|
An X - ray tube produces a continuous spectrum of radiation with its s...
Text Solution
|
The half - life of I ^ (131) is 8 days. Given a sample of I^(131) at ...
Text Solution
|
The maximum kinetic energy of photo electrons emitted from a surface w...
Text Solution
|
The work function of a substance is 4.0 eV. The longest wavelength of ...
Text Solution
|
At absolute zero , Si acts as
Text Solution
|
The logic gate given below represents a
Text Solution
|
In the middle of the depletion layer of a reverse - biased p - n junc...
Text Solution
|
How does the angle of minimum deviation of a glass prism vary, if the...
Text Solution
|
A ball is dropped from a height of 20 m above the surface of water in ...
Text Solution
|
The way the fringe pattern changes when the screen is moved away from ...
Text Solution
|