Home
Class 12
PHYSICS
Suppose the sun expands so that its radi...

Suppose the sun expands so that its radius becomes `100` times its present radius and its surface temperature becomes half of its present value. The total energy emited by it then will increase by a factor of :

A

`10^(4)`

B

625

C

256

D

16

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • RACE

    ALLEN |Exercise Basic Maths (Thermal Physics) (Kinetic theory of gasess)|14 Videos
  • RACE

    ALLEN |Exercise Basic Maths (Thermal Physics) (Thermodynamic process)|20 Videos
  • RACE

    ALLEN |Exercise Basic Maths (Thermal Physics) (Calorimetry)|14 Videos
  • NEWTONS LAWS OF MOTION

    ALLEN |Exercise EXERCISE-III|28 Videos
  • SIMPLE HARMONIC MOTION

    ALLEN |Exercise Example|1 Videos

Similar Questions

Explore conceptually related problems

Suppose the Sun expands so that its radius becomes 100 times its presents radius and its surface temperature becomes half to its present value. The total energy emitted by it then will increase by a factor of . . . . .. .

If the radius of the earth becomes half of its present value but its density remains unchanged then find the weight of body on the surface of earth.

The radius of a sphere is 7 cm. Find its surface area.

Suppose the earth suddenly expends and its radius become 2R (R = radius of earth) keeping its mass same, then that will be the length of the day which at present is of 24 hours?

Q amount of electric charge is present on the surface of a sphere having radius R. Calculate the total energy of the system.

The radius of sphere is 3.5 cm Find its surface area and volume .

If earth contracts such that its radius becomes half without change in mass, then wieght on earth becomes …... times.

A cylinder is heated in such a way that its radius always remains twice of its height when the radius is 3 cm, find the rate of increase of its volume. The radius is increased at the rate of 2 cm/s. Also find the rate of increase of its total surface area.

If earth describes an orbit round the sun of double its present radius, what will be the year on earth ?

Escape velocity of a body from the surface of earth is 11.2km/sec. from the earth surface. If the mass of earth becomes double of its present mass and radius becomes half of its present radius then escape velocity will become