HARD
NEET
IMPORTANT
Earn 100

The dimensional formula for Planck’s constant and gravitational constant respectively are :-
(a)
(b)
(c)
(d)

50% studentsanswered this correctly

Important Questions on Physical World and Measurement
EASY
NEET
IMPORTANT
If and denote energy, mass, angular momentum and Gravitational constant respectively, then quantity has dimensions of :

HARD
NEET
IMPORTANT
The dimensions of the quantity , where represents the electric field and the magnetic field may be given as :-

HARD
NEET
IMPORTANT
A physical quantity is calculated by using the formula where and are experimentally measured quantities. If the fractional percentage error in the measurements of and are , and respectively, then the fractional percentage error will be :-

EASY
NEET
IMPORTANT
A wire has a mass , radius and length . The maximum percentage error in the measurement of its density is-

EASY
NEET
IMPORTANT
In a vernier callipers, one main scale division is and divisions of the vernier scale coincide with divisions of the main scale. The least count of the callipers is

EASY
NEET
IMPORTANT
Choose the incorrect statement out of the following :-

MEDIUM
NEET
IMPORTANT
The moon's distance from the earth is and its diameter subtends an angle of at the eye of the observer. The diameter of the moon is

MEDIUM
NEET
IMPORTANT
Which of the following units denotes the dimensions , where denotes the electric charge?
