Nuclear fission is caused by the impact of:
A. Neutron
B. Proton
C. Deuteron
D. Electron
Answer: Option A
A. Neutron
B. Proton
C. Deuteron
D. Electron
Answer: Option A
The tree which sends down roots from its branches to the soil is known as:
A. Oak
B. Pine
C. Banyan
D. Palm
Brass gets discoloured in air because of the presence of which of the following gases in air?
A. Oxygen
B. Hydrogen Sulphide
C. Carbon dioxide
D. Nitrogen
Which of the following is a non metal that remains liquid at room temperature?
A. Phosphorous
B. Bromine
C. Chlorine
D. Helium
In nuclear fission neutron is bumbarded on heavy metal like plutonium, urenium. In this process large amount of heat energy is produced.