Which law of thermodynamics leads to the concept of temperature?
Zeroth law
First law
Second law
Both '1' and '2'
One arc second is equal to
4.85x10-6 rad
2.91x10-4 rad
48.5x10-6 rad
29.1x10-4 rad
Who gave the Universal Law of Gravitation?
Kepler
Newton
Copernicus
Aryabhatiya
Mass of electron is 9.1x 10-31 kg. The order of magnitude of mass electron is
-31
-30
-32
-29
The dimensional formula for thermal conductivity is
[MLT-1θ-1]
[MLT-3θ-1]
[M2LT-3θ-2]
[ML2T-2θ]
The dimensional formula of torque is:
M1L2T-2
ML-1T-1
M2LT-1
M2L2T2
How many amu would make up 1 kg
6. 024x 1026 amu
1.6x1017 amu
9.11x 1027 amu
8.852x10 12amu
The work done in lifting a 100gm slot to a height of 1m is approximately
10 Joule
100 Joule
One Joule
0.1 Joule
The sides of a rectangular lamina are (8.5±0.2)cm and (5.6±0.1)cm.Calculate the perimeter of the lamina with error limits.
(28.2±0.6)cm
(2.82±0.6)cm
(2.82±6.0)cm
(28.2±6.0)cm
The dimensional formula for acceleration due to gravity is
LT2
LT-1
LT
LT-2