×
Detail Form
We will send your result on your email id and phone no. please fill detail
1.
The luminosity of the Rigel star is 17000 times that of the sun. Assume both to be perfectly black bodies. If the surface temperature of the sun is 6000 K, then the temperature of the star is
2.
The weight of a person is 
If he gets 
calories heat through food and the efficiency of his body is 28%, then upto how much height he can climb (approximately)
If he gets calories heat through food and the efficiency of his body is 28%, then upto how much height he can climb (approximately)
3.
If on heating liquid through 
, the mass expelled is 
of mass still remaining, the coefficient of apparent expansion of liquid is
, the mass expelled is of mass still remaining, the coefficient of apparent expansion of liquid is
4.
The initial temperature of a body is . If its temperature falls to 
in 
and in 
to 
then the temperature of surrounding will be
. If its temperature falls to in and in to then the temperature of surrounding will be
5.
of water at 
are poured on a large block of ice at 
The mass of ice that melts is
of water at are poured on a large block of ice at The mass of ice that melts is
6.
Which one of the following processes depends on gravity?
7.
Four pieces of iron heated in a furnace to different temperatures show different colours listed below. Which one has the highest temperature
8.
Boiling water is changing into steam. At this stage then specific heat of water is
9.
A slab consists of two parallel layers of two different materials of same thickness having thermal conductivities 
and 
. The equivalent conductivity of the combination is
and . The equivalent conductivity of the combination is
10.
At a common temperature, a block of wood and a block of metal feel equally cold or hot. The temperature of block of wood and block of metal are