55. Sound is also useful in the field of
medicine
a. maybe
b. no
c. not sure
d. yes
56. Why is it not advisable to stay in hot
and noisy places
a. Our sense of hearing may be affected
badly
b. Many people will discover our talents.
c. Our sense of sight may be damage by the
heat of the sun.
d. Both a ando
57. Why do we need to use potholder
when handling hot casseroles or any hot
cooking wores?
a. To protect our hands from getting hurt or
bumed
b. To protect our new cuticles from fading.
c. To maintain the softness of our hands.
d. None of the above.
58. What is the direction of heat transfer
a. from hot to cold
b. from cold to hot
c. from bottom to top
d. from side to side
59. Lighi travels in a line when it
passes through a single medium.
Q. Curve
b. zigzag
c. straight
d. wave
60. What kind of heat transfer will occur
when we put an egg on a casserole of boiling
water
a. radiation
b. connection
C. convection
d. conduction