Download App

Gravitation — JEE physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceJEE physicsGravitation1 Mark
Question
Assertion : Gravitational force between two particles is negligibly small compared to the electrical force.
Reason : The electrical force is experienced by charged particles only.
✓

Answer

(b) For two electron $\frac{F_g}{F_e}=10^{-43}$ i.e. gravitational force is negligible in comparison to electrostatic force of attraction.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Assertion & Reason" from Gravitation→Gravitation — all question types→JEE physics STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

Assertion : The velocity of sound increases with increase in humidity.
Reason : Velocity of sound does not depend upon the medium.
→
Assertion : A hollow shaft is found to be stronger than a solid shaft made of same material.
Reason : The torque required to produce a given twist in hollow cylinder is greater than that required to twist a solid cylinder of same size and material.
→
Assertion : The current gain in common base circuit is always less than one.
Reason : At constant collector voltage the change in collector current is more than the change in emitter current.
→
Assertion : Reversible systems are difficult to find in real world.
Reason : Most processes are dissipative in nature
→
Assertion : The television broadcasting becomes weaker with increasing distance.
Reason : The power transmitted from TV transmitter varies inversely as the distance of the receiver
→
Assertion : linear momentum of a body changes even when it is moving uniformly in a circle.
Reason : Force required to move a body uniformly along a straight line is zero.
→
Assertion : Horizontal range is same for angle of projection $\theta$ and $(90-\theta)$.
Reason : Horizontal range is independent of angle of projection.
→
Assertion : Reversible systems are difficult to find in real world.
Reason : Most processes are dissipative in nature
→
Assertion : Friction is a self adjusting force.
Reason : Friction does not depend upon mass of the body.
→
Assertion : A piece of ice floats in water, the level of water remains unchanged when the ice melts completely.
Reason $\quad$ : According to Archimede's principle, the loss in weight of
→