If h is the height of the capillary rise and r be the radius of capillary tube,
If h is the height of the capillary rise and r be the radius of capillary tube, then which of…
5 years ago
Questions
Ice is wrapped in black and white cloth. In which cases more ice will melt
Ice is wrapped in black and white cloth. In which cases more ice will melt Options (a) White (b) Black…
5 years ago
ln a surrounding medium of temperature 10⁰C a body takes 7 min for a fall
ln a surrounding medium of temperature 10⁰C a body takes 7 min for a fall of temperature from 60⁰C to…
5 years ago
When the temperature increases, the viscocity of
When the temperature increases, the viscocity of Options (a) Gases decreases and liquid increases (b) Gases increases and liquids decreases…
5 years ago
In which of the following heat loss is primarily not due to convection?
In which of the following heat loss is primarily not due to convection? Options (a) boiling of water (b) land…
5 years ago
Angle of contact of a liquid with a solid depends on
Angle of contact of a liquid with a solid depends on Options (a) Solid only (b) Liquid only (c) Both…
5 years ago
A spherical body of emissivity e=0.6, placed inside a perfectly black body is maintained
A spherical body of emissivity e=0.6, placed inside a perfectly black body is maintained at temperature T then the energy…
5 years ago
A cylindrical tank is filled with water to a level of 3m. A hole is opened at a height
A cylindrical tank is filled with water to a level of 3m. A hole is opened at a height of…
5 years ago
If two soap bubbles of different radii are connected by a tube
If two soap bubbles of different radii are connected by a tube Options (a) Air flows from the bigger bubble…
5 years ago
Application of Bernoulli’s theorem can be seen in
Application of Bernoulli's theorem can be seen in Options (a) Dynamic lift of aeroplane (b) Hydraulic press (c) Helicopter (d)…
5 years ago