eCoaching | Online Home Tutors & Teachers
Question Options
The S.i unit of Solid angle is : Steradian, Degree, Revolution, Radian
Force in term of base unit : Kgm-2, Kgm-2, Kgm-1S-1, Kgm-2S2
A single vector which has same effect as all the orignal vector taken together is called : Unit vector, equal vector, Resultant vector, Null vector
The resultant of two force 6 N and 8 N acting at the right angle to each other : 4 N, 6 N, 8 N, 10 N
The motion of a rocket is in accordance with law of conservation : Linear momentum, Energy , Mass, Angular momentum
Kilowatt hour is the unit of : Power, Work, force, Momentum
The minimum velocity required to put a satellite into orbit is : 5.9 kms-1, 6.9 kmS-1, 7.9 kms-1, 8.9km-1
The expression for the orbital speed of a satellite is : ? Gr/m, ?M/Gr, ? r/GM, ? GM/r
The dimensions of co-efficient of viscosity are : [ML-1T-1], [MLT-1], MLT-1, [ML2T-1]
If the time period of simple pendulum is 2 second its frequency will be : 1.0 Hz, 0.5 Hz, 1.5 Hz, 2 Hz
The error in the value of speed of sound calculated by Newton at STP is about : 0.14, 0.15, 0.16, 0.18
The speed of sound is greater in solids due to their high : Density, Pressure, Temperature, Elasticity
Newtons rings are formed as result of : Interference, Dispersion, Diffraction, Polarization
The light emitted diode led has a wave length : 1.3 pm , 1.3 um, 1.3 mm, 1.3 nm
A layer over the central core of the jacket is called : Jacket, Plastic, Cladding, Rubber
The efficiency of petrol engine is about : 20 to 25 %, 30 to 35 %, 35 to 40 %, 25 to 30 %
The process which is carried out at constant temperature is called : Isothermal, Adiabatic, Isochoric, Isobaric