Home
Class 11
PHYSICS
One of the combination from the fundamen...

One of the combination from the fundamental physical constants is `hc//G`. The unit of this expression is

A

`kg^(2)`

B

`m^(3)`

C

`s^(-1)`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A
`(hc)/(G)= ((Js)(ms^(-1)))/(Nm^(2)kg^(-2))= ((Nm s)(ms^(-1)))/(Nm^(2)kg^(-2))= kg^(-2)`
Promotional Banner

Topper's Solved these Questions

  • PHYSICAL WORLD AND MEASUREMENT

    MTG GUIDE|Exercise NEET CAFE TOPICWISE PRACTICE QUESTIONS (LENGTH, MASS AND TIME MEASUREMENTS )|10 Videos

  • PHYSICAL WORLD AND MEASUREMENT

    MTG GUIDE|Exercise NEET CAFE TOPICWISE PRACTICE QUESTIONS (ACCURACY, PRECISION OF INSTRUMENTS AND ERRORS IN MEASUREMENT)|23 Videos

  • PHYSICAL WORLD AND MEASUREMENT

    MTG GUIDE|Exercise NEET CAFE TOPICWISE PRACTICE QUESTIONS (PHYSICS, TECHNOLOGY AND SOCIETY)|2 Videos

  • OSCILLATIONS AND WAVES

    MTG GUIDE|Exercise AIPMT / NEET MCQs|43 Videos

  • PROPERTIES OF BULK MATTER

    MTG GUIDE|Exercise AIPMT/NEET (MCQs)|40 Videos

Similar Questions

Explore conceptually related problems

The characteristic distance at which quantum gravitational effect are significant the planck length can be determined form a suitable combination of the fundamental physical constant G h and c which of the followng correctly gives the planck length ?

Evalute Rydberg constant by putting the value of the fundamental constants in its expression

If force F , acceleration a, and time T are taken as the fundamental physical quantities , the dimensions of length on this systemof units are

Which one of the following is not a fundamental SI unit?

The SI unit of the universal gravitational constant G is

Which one of the following physical quantity has the same unit as that of pressure?

The fundamental unit which is common in C.G.S and S.I system is

from the following combinations of physical constants (expressed through their as usual symbols) the only combination, that would have the same value in different systems of units, is:

The units of fundamental physical quantities are known as ____________ units.