Home
Class 11
PHYSICS
If the mass of the electron (9xx10^(-31)...

If the mass of the electron `(9xx10^(-31)` kg) is taken as unit of mass, the radius of the first Bohr orbit `(0.5xx10^(-10)`m) as unit of length and 500 newton as the unit of force, then the unit of time in the new system would be

A

`3 xx 10^(-22) s `

B

`1.5 xx 10^(-12)s `

C

`15 xx 10^(-20)s `

D

`45 xx 10^(-20)s `

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

If the mass of the electron (9 xx 10^(-31) kg) is taken as unit of mass, the radius of the first Bohr orbit (0.5 xx 10^(-10) m) as unit of length and 500 newton as the unit of force, then the unit of time in the new system would be

If the unit of force is 100 N, unit of length is 10m and unit of time is 100 s, what is the unit of mass in this system of units ?

If the unit of force and length be ecah increased by four times, then the unit of energy is increased by

If the unit of force is 1N, the unit of work done is 10 J and the unit of time is 1 second, the unit of mass is

If force, length and time are taken as fundamental units, then the dimensions of mass will be

A force of 40N acts on a body. If the units of mass and length are doubled and the unit of time is tripled, then the force in the new system becomes

If the unit of mass is alpha kg, the unit of length is beta metre and the unit of time is " gamma ' second, The magnitude of calorie in the new system is (1 Cal = 4.23)

The circumference of the first Bohr orbit in H atom is 3.322 xx 10^(-10) m .What is the velocity of the electron of this orbit ?

Force acting on a particle is 5 N. If units of length and time are double and unit of mass is halved then find the numerical value of force in the new system of unit .

If the unit of force is 1 kN, unit of length 1 km and unit of time is 100s, what will be the unit of mass?