The binding energy of a nucleon in a nucleus is of the order of a few
1. eV
2. Ergs
3. MeV
4. Volts
Parsec is a unit of :
1. Distance
2. Velocity
3. Time
4. Angle
If u1u1 and u2u2 are the units selected in two systems of measurement and n1n1 and n2n2 are their numerical values, then:
1. | n1u1=n2u2 n1u1=n2u2 |
2. | n1u1+n2u2=0n1u1+n2u2=0 |
3. | n1n2=u1u2n1n2=u1u2 |
4. | (n1+u1)=(n2+u2)(n1+u1)=(n2+u2) |
1 eV is
1. Same as one joule
2. 1.6×10−19J1.6×10−19J
3. 1 V
4. 1.6×10−19C1.6×10−19C
1kWh=1kWh=
1. 1000W1000W
2. 36×105J36×105J
3. 1000J1000J
4. 3600 J3600 J
Universal time is based on :
1. Rotation of the earth on its axis
2. Earth's orbital motion around the Sun
3. Vibrations of cesium atom
4. Oscillations of quartz crystal
Unit of moment of inertia in MKS system
1. kg×cm2kg×cm2
2. kg/cm2kg/cm2
3. kg×m2kg×m2
4. Joule×mJoule×m
Unit of stress is:
1. NmNm
2. N-mN-m
3. Nm2Nm2
4. N-m2N-m2
Unit of magnetic moment is
1. Ampere−metre2Ampere−metre2
2. Ampere−metreAmpere−metre
3. Weber−metre2Weber−metre2
4. Weber/metreWeber/metre
Curie is a unit of
1. Energy of γγ-rays
2. Half life
3. Radioactivity
4. Intensity of γγ-rays