The dimensional formula of potential difference is
[ML2T-3]
[ML2T-3A]
[ML2T-2A]
[ML2T-3A-1]
The number of significant figures in 36400
5
6
3
4
The dimensional formula for acceleration is
M0LT-1
MLT2
MLT
M0LT-2
The wave used in SONAR is
Radio wave
Ultrasonic wave
Light wave
Electric pulse
The unit of length convenient on the atomic scale is known as an angstrom and is denoted by Å. 1Å = 10-10 m.The size of the hydrogen atom is about 0.5 Å.What is the total atomic volume in m3 of a mole of hydrogen atoms?
3 x 10-6 m3
3 x 10-7 m3
3 x 10 -17m3
3 x 10-10 m3
Which of the following have same dimension?
Work and power
Impulse and momentum
Planks constant and gravitational constant
Pressure and work
The dimensional formula for surface tension is
[MLT-2]
[ML-1T-2]
[MLT-1]
[M1L0T-2]
[ML-1T-2] is the dimension of
Pressure and Young's modulus
Work and torque
Pressure and Force
Young's modulus and momentum
The dimensional formula of gravitational constant G is
[ML-1T-1]
[MLT2]
[M-1L3T-2]
[M2L-1T2]
The dimensional formula of angular momentum is
MLT-2
ML-1T-
M1L2T-1
MLT-1
