When water waves enter from greater depth to low depth, then their wave length : 
Increase , Decreases , Remains constant , Become double

Pitch of sound depend upon : 
Quality , Frequency , Intensity , Loudness

The radius of curvature of a spherical mirror is how much of its focal length : 
Double , Triple time , Four times , Five times

SI unit of capacitance is : 
Coulomb , Electron volt , Farad , Volt

One electron volt is equal to : 
1.6x10^17 J , 1.6x10^18 J , 1.6x10^19 J , 1.6x10^20 J

When resistance are combine in series, then their current following : 
Different , Zero , Equal , Uniform

Mathematical formula of joule’s law is : 
W + IRt , w=IR^2t , w = I^2Rt , w = IRt^2

How many carbon brushes are in an A.C Generation : 
Two , Three , Four , Five

The deflection of a Galvanometer depend upon magnet’s : 
Velocity , Speed , Frequency , Electro motive force

Beta particle emitted from nucleus as : 
Proton , Neutron , Electron , Position

Transistor is used as a : 
Rectified , A.C Converter, D.C Converted , Amplifier

Brain of computer is called : 
Control Unit , C.P.U , Monitor , Hard disk

Pitch of sound depends upon : 
Volume , Frequency , Area , Vibration

If the image is virtual then its distance from the lens is taken : 
Positive , Negative , Double , half

If the image is real then its distance from the lens is taken : 
Positive , Negative , Double , half

The unit of charge is : 
Watt , Joule , Newton , Coulomb

Watt is equal to : 
Coulomb per second , newton per second , volt per second , joule per second

Calculate the value of current if V=250 v R=500 om : 
0.5A , 0.05A , 5A , 125A

An instrument which is used to measure the current 
Volt meter , Ammeter , Galvanometer , Barometer

if the change of current in a circuit induces a current in another circuit this phenomena is known : 
Self induction , Mutual induction , Electromagnetic induction , non mutual induction

The sodium nuclei is a stable nuclei because its atomic number 82 : 
Less than , Equal to , Greater then , Quite greater then

Floppy disc is made of : 
Iron , Plastic , Wood , Aluminium

 gate is used in safety alarm : 
AND , NAND , OR , NOR
