Physics-Objective Related Question Answers
101. Liquids having low viscosity are called?
Mobile liquids eg : Water; Kerosene; Alcohol; Petro
102. Fluids flow with zero viscosity is called?
Super fluids eg : Honey; Coaltar; Glycerine etc
103. The property of a liquid by which the free surface of liquid acts like a stretched membrane?
Surface tension
104. Surface tension is caused due to?
Unbalanced molecular cohesive force
105. Surface tension is inversely proportional to temperature and?
Pressure
106. Surface tension of hot water is less than that of?
Cold water
107. Insects walking over the water surface can be explained by?
Surface tension of water
108. Spherical shape of rain drops can be explained by?
Surface tension of water
109. Capillary phenomenon is due to?
surface tension
110. Rise of water level in plants is due to?
surface tension
111. Ability of a body to return to its original shape is called?
Elasticity
112. The force per unit area is called?
Pressure [Pressure = Force/Area]
113. The SI Unit of pressure=?
Pascal or N/m2
114. Unit of thrust is?
Newton
115. CGS unit of thrust is?
dyne /cm2
116. Force acts more on objects having?
Low Surface area
117. Atmospheric pressure =….?
760mm of Mercury
118. Unit of Atmospheric pressure?
Bar 1 bar = 10^5 pascal
119. Pressure at sea level is taken as the?
Standard Atmospheric Pressure
120. Barometer is used to calculate?
Atmospheric Pressure
121. The liquid used in Barometer?
Mercury
122. Sudden fall of mercury level in Barometer indicates?
Storm
123. Rising level of mercury in Barometer indicates?
Calm climate
124. Force of attraction between any two bodies in the universe is called?
Gravitation
125. Law of gravitation was discovered by?
Sir Isaac Newton
© 2002-2017 Omega Education PVT LTD...Privacy | Terms And Conditions
Question ANSWER With Solution