HARD
11th West Bengal Board
IMPORTANT
Earn 100

If the distance between the earth and the sun were half of its present value, the number of days in a year would have been
(a)
(b)
(c)
(d)

80% studentsanswered this correctly

Important Questions on Gravitation
HARD
11th West Bengal Board
IMPORTANT

HARD
11th West Bengal Board
IMPORTANT

MEDIUM
11th West Bengal Board
IMPORTANT
The earth rotates about the sun (see Fig. 12.54) in an elliptical orbit. At which point is velocity maximum?

HARD
11th West Bengal Board
IMPORTANT

MEDIUM
11th West Bengal Board
IMPORTANT

HARD
11th West Bengal Board
IMPORTANT
In a satellite if the time period is , then , is proportional to

HARD
11th West Bengal Board
IMPORTANT
An artificial satellite revolves around the earth in circular orbit with a speed . If is the mass of the satellite, its total energy is

MEDIUM
11th West Bengal Board
IMPORTANT
