(A) The hair barging against the charged comb
(B) Small electric sparks
(C) The rubbing of the comb with the hair
(D) None of the above

(A) Steam can penetrate the skin
(B) Steam is at a higher temperature
(C) Steam contains more energy than boiling water
(D) Steam is at a higher pressure

(A) Water is a good conductor of heat
(B) Water has a very high specific heat capacity
(C) Water boils at a comparatively high temperature
(D) Evaporation of water produces a lot of cooling

(A) Remain unaffected
(B) Fall away from the train
(C) Fall towards the train
(D) Fall away from or towards the train depending upon the speed

(A) Ultraviolet Waves
(B) Ultrasonic Waves
(C) Electromagnetic Waves
(D) Special Retina

(A) Carbon dioxide
(B) Carbon monoxide
(C) Carbon tetrachloride
(D) None of the above

(A) the strength of T.V. waves is very limited
(B) a picture cannot be transmitted clearly after a specific distance
(C) the shape of the earth is spherical
(D) the air is not a good conductor of light and sound/waves

(A) 60%
(B) 65%
(C) 72%
(D) 80%

(A) Mesosphere
(B) Troposphere
(C) Stratosphere
(D) ionosphere

(A) One-tenth
(B) One fifth
(C) One fourth
(D) One third