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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