PU Entry Test Past Papers

Bremsstrahlung or braking radiation are example of?

1. Continuous spectra
2. Band spectra
3. Absorption spectra
4. Discrete of line spectra

The current produced in a coil due to electromagnetic induction is called?

1. positive current
2. negative current
3. induced current
4. mutual current

Light glare can be reduced by the process of?

1. Reflection
2. Polarization
3. Diffraction
4. Refreation

The ratio of stress in volumetric strain is called:

1. Shear Modulus
2. Young's Modulus
3. Bulk Modulus
4. Modulus of elasticity

Which one of the following molecule has sp3 hybridizarion

1. CH4
2. C2 H5
3. CO2
4. C2H2

A black body is an

1. ideal absorbed
2. ideal radiator
3. Both a and b
4. good absorbed

The number of moles of solute dissolved per Kg of solvent is called?

1. molality
2. molarity
3. mole fraction
4. normality

Geometery of water according to VESPR theory is?

1. pyramidal
2. trigonal
3. tetrahedral
4. bent angular

The central region of transistor is called:

1. collector
2. base
3. emitter
4. cathode

I am indebted _____ for you help.

1. BY
2. IN
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