WBJEE SERIES Physics
Units Dimensions And Measurements
3 previous year questions.
Volume: 3 Ques
Yield: Medium
High-Yield Trend
2
2026 1
2024 Chapter Questions 3 MCQs
01
PYQ 2024
hard
physics ID: wbjee-20
The Power radiated from an accelerated charged particle is given by , where is the charge, is the acceleration, and is the speed of light in vacuum. From dimensional analysis, the value of and respectively are:
1
m = 2, n = 2
2
m = 2, n = 3
3
m = 3, n = 3
4
m = 0, n = 1
02
PYQ 2026
medium
physics ID: wbjee-20
If the dimensions of length are expressed as , where , and are gravitational constant, speed of light and Planck’s constant respectively, then
1
2
3
4
03
PYQ 2026
medium
physics ID: wbjee-20
A quantity is given by
where is permittivity of free space, is length, is potential difference and is time interval. The dimension of is same as that of
1
Resistance
2
Charge
3
Voltage
4
Current