Physics
(i) Why is a nuclear fusion reaction called a thermo nuclear reaction?
(ii) Complete the reaction:
3He2 + 2H1 ⟶ 4He2 + ………. + Energy
Radioactivity
ICSE 2019
8 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
5 Likes
Related Questions
Calculate the effective resistance across AB :
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.
![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]. ICSE 2019 Physics Solved Question Paper.](https://cdn1.knowledgeboat.com/img/abp10/5/icse-2019-physics-question-paper-solved-4c-1200x271.png)
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.
(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.