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Number of significant figures in 0.0173 are : 3, 4, 5, 2
The dimensions of work are : [MLT-2], [ml2T-2], [ML2T-3], None Of These
When two vector are anti-parallel the angle between them is : Zero, 180°, 90°, 270°
The magnitude of cross product and dot product of two vector are equal the angle between the vector : Zero, 90°, 180°, 45°
When velocity time graph is straight line parallel to time axis then : Acceleration is constant, Acceleration is variable, Velocity is zero, Acceleration is zero
The area under the force -displacement graph represents : work done, Power, Torque, None Of These
One radian is equal : 67.0°, 53.3°, 87.3°, 60°
centripetal force perform : 1.333 Nm-2, 1333.3 Nm-2, 1333 Nm-2, 13.33 Nm-2
A distance between two consecutive nodes is : ?, ?/4, ?/2, 2?
the speed of sound in air at 0 ° C is 332 mS1 the speed at 2° C will be : 333.2mS-1, 335 mS-1, 330 mS-1, None Of These
The product of frequency and time period is : 1, 2, 3, 4
The appearance of colours in thin films is due to : diffraction, Dispersion, Interference, Polarization
Least distance of distinct vision : Increase with increase in age , Decrease with increase in age, Unchanged with increase in age, All
Spectrometer is used to : Study diffraction of light, Measure wavelength of light, Measure refractive index of material, All
Which is not example of adiabatic process : Rapid escape of air from burst tyre, Rapid expansion of air , Conversion of water into ice in refrig
The efficiency of petrol engine is about : 25 - 30 %, 30 - 35%, 35 - 40 %, None Of These
The dimension of force is : MLT, MLT-1, ML-1T-1, MLT-2