eCoaching | Online Home Tutors & Teachers
Question Options
The weight of body of 20 kg mass is -----Netwon on earth : 2 , 10 , 20 , 200
An artificial satellite is orbiting around the earth at a high ‘h’ what is the centipal force acting on the satellite ? 2mv/R+H , mv2^2/R+H , mv/R+H , mv^2/h
Two inputs of NAND gate are A and B its output would be zero when : A =0.B = 1 , A =1.B = 1 , A =1.B = 0 , A =0.B = 0
The product of frequcnce and time is equal to : V , 0 , 1 , ?
When a diode is forward biased the width of its depletion region : Increase , Decreased , Vanishes , does not change
Focal length of the concave mirror is : Positive , Negative , Greater , Smaller
According to Coulomb Law F = 1/K q1q2/r , F = K q1q2/r , F = k q1q2/r , F = 1/K q1q2/r
The P.E of an object on the surface of earth is : 1/2mv^2 , 2mgh , mgh , zero
At what temperature surface tension will be maximum : 0°C , 20°C , 80°C , 100°C
At what temperature surface tension will be maximum : 0°C , 20°C , 80°C , 100°C
Rate of change of velocity is called : Displacement , Acceleration , Relative velocity , Distance
Charge storing device is : Electroscope , Conductor , Capacitor , Inductor
Penetrating power of ------- rays is very high : Alpha , Beta , Gama , x-ray
Work is the product of : Force and distance , Force and displacement , force and velocity , force and moment a
kg M^2 S^2 = ------- Joule , Newton , Meter , Watt
What is fitted in telephone receiver : Permanent , magnet , Diaphragm Electromagnet , Electromagnet Diaphragm
Unit of capacitance is : Ampere , joule , ohms , farad
According to Boyle’s Law PV = Constant , P/V=Constant , V/F=Constant , PVT=Constant
The Number of Significant figures in 1406 is : One , two , three , four
Initial Velocity of free failing body is : Zero , 9.08 ms-1 , 10 ms-1 , 7.9 ms-1
Velocity and acceleration of body is moving in circle with uniform speed are mutually : In same direction , opposite , perpendicular , equal
The vector quantity is : Volume , Momentum , Energy , Density
If speed of the body is increasing acceleration is : Negative, Positive , Zero , Opposite
Energy of body due to motion is : Electric , Chemical , Kinetic , Potential
Power of the machine doing 10 J work in 5 second : 2watt , 10 watt , 25 watt , 50 watt
Power of the machine doing 10 J work in 5 second : 2watt , 10 watt , 25 watt , 50 watt
work done on the machine is : Effort , Load , Input , Output
Bending of waves round corners: Interfere , Reflection , Refraction , Diffraction
The quantity without unit is : Stress , Strain , Pressure , Volume
Focal length concave lens is : Positive , Negative , Small , Large
The equivalent capacitance of 2UF and 4UF in series combination is : 8 UF , 6 UF , 4 UF , 2 UF
The electromagnetic waves are : Sound waves , water waves , Radio waves , Waves in spring
Brain of computer is : Mouse, C.P.U , Monitor , Keyboard
Beta particle is actually : Proton , Neutron , Electron , Position
P-Type crystal majority carriers are : Free electron , Protons , Holes , Neutrons