71. Running a fan in the summer season is given relief because-
72. Heat from the Sun reaches Earth by the process of
73. A perfect black body is one whose emissive power is
74. When a bottle is filled with water and it is freezing the bottle breaks down, because
75. Consider the figures of a metal ball and a metal ring given below.
The metal ball can just pass through the hole of a metal ring formed out of a strip. When the ball is heated it gets stuck. But when the metal is heated
The metal ball can just pass through the hole of a metal ring formed out of a strip. When the ball is heated it gets stuck. But when the metal is heated
76. The boiling point of water decreases at higher altitudes is due to
77. Radiations coming from the sun are mostly in the form of
78. The temperature of a place on one sunny day is 113 in Fahrenheit scale. The Kelvin scale reading of this temperature will be
79. Water pipes in hilly areas often burst on a cold frosty night because
80. Transfer of heat by convection can take place in
Read More Section(Heat and Thermodynamics)
Each Section contains maximum 100 MCQs question on Heat and Thermodynamics. To get more questions visit other sections.