A. The current passes into the earth through the man's body. As the circuit is complete it burns the body.
B. The current stops the flow of blood through the heart.
C. It affects the nervous system and so kills brain cells.
D. None of these
A. Two blankets have more wool and so warmer
B. Two blankest enclose air which does not allow the cold to penetrate.
C. Two blankets compress the air in between the body and the blankets and this compression produces heat.
D. None of these
A. As the electricity passes into the bulb its glass begins to shine.
B. As electricity passes in the vacuum of the bulb it changes into heat, so glows.
C. The current passes through a tungsten wire of high resistance which becomes so hot as to glow.
D. None of these
A. When he pushes the bank, the bank pushes him, action and reaction are equal and opposite.
B. The bank cannot move but the boat moves.
C. By pushing the bank he tries to overcome the attraction of the bank for the boat.
D. He pushes the bank to produce waves in the water.
A. Heated stone gets the energy which makes it to fly.
B. The outer layer expands before the inner part, so they break due to the unequal expansion.
C. Heated stone breaks because the binding of the elements melt.
D. None of these
A. Diamonds are radioactive so there are radiations.
B. On account of high refractive index the rays of light get internally reflected.
C. Diamonds shine because they have some amount of radium in them.
D. None of these
A. Kidney failure
B. Heart attack
C. Liver failure
D. Diabetes
A. Vitamin B and C
B. Vitamin C and D
C. Vitamin A and C
D. Vitamin B and E
A. Vitamin E
B. Vitamin D
C. Vitamin C
D. Vitamin B