Download App

Nucleus — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsNucleus1 Mark
MCQ
Einstein's mass-energy relation is :
  • A
    $E = m c$
  • B
    $E =m c^2 / 2$
  • ✓
    $E = m c ^2$
  • D
    $E = m / c$
✓

Answer

Correct option: C.
$E = m c ^2$
C

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Nucleus→Nucleus — all question types→Physics STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

A current of $1$ ampere is passed through a straight wire of length $2.0$ metres. The magnetic field at a point in air at a distance of $3$ metres from either end of wire and lying on the axis of wire will be
→
If a current of 3.0 amperes flowing in the primary coil is reduced to zero in 0.001 second, then the induced e.m.f. in the secondary coil is 15000 volts. The mutual inductance between the two coils is(a) 0.5 henry(b) 5 henry(c) 1.5 henry(d) 10 henry
       
→
The range of a projectile fired at an angle of 15° is 50m. If it is fired with the same speed at an angle of 45°, its range will be:
  1. 25m
  2. 37m
  3. 50m
  4. 100m.
→
In an electromagnetic wave.
→
Let r be the distance of a point on the axis of a bar magnet from its centre. The magnetic field at such a point is proportional to:
→
Two particles A and B have a phase difference of $\pi$ when a sine wave passes through the region.
  1. A oscillates at half the frequency of B.
  2. A and B move in opposite directions.
  3. A and B must be separated by half of the wavelength.
  4. The displacements at A and B have equal magnitudes.
→
Three capacitors of capacitance $6~\mu F$ are available. The minimum and maximum capacitance obtained are :
→
Alternating current is one which changes in its:
→
A permanent magnet has the capacity to attract:
→
A body falling vertically downwards under gravity breaks in two parts of unequal masses. The centre of mass of the two parts taken together shifts horizontally towards:
  1. Heavier piece.
  2. Lighter piece.
  3. Does not shift horizontally.
  4. Depends on the vertical velocity at the time of breaking.
→