Physics
(i) Why is a nuclear fusion reaction called a thermo nuclear reaction?
(ii) Complete the reaction:
3He2 + 2H1 ⟶ 4He2 + ………. + Energy
Radioactivity
ICSE 2019
13 Likes
Answer
(i) A nuclear fusion reaction is called a thermo nuclear reaction because it takes place at a temperature of nearly 107 K (10 million).
(ii) 3He2 + 2H1 ⟶ 4He2 + 1H1 + Energy
Answered By
7 Likes
Related Questions
(i) State whether the specific heat capacity of a substance remains the same when it's state changes from solid to liquid.
(ii) Give one example to support your answer.
A magnet kept at the centre of two coils A and B is moved to and fro as shown in the diagram. The two galvanometers show deflection.
State with a reason whether :
x > y
or
x < y [x and y are magnitudes of deflection]
State two ways to increase the speed of rotation of a D.C. motor.
A body of mass 10 kg is kept at a height of 5 m. It is allowed to fall and reach the ground.
(i) What is the total mechanical energy possessed by the body at the height of 2 m assuming it is a frictionless medium?
(ii) What is the kinetic energy possessed by the body just before hitting the ground? Take g = 10 m s-2.