```
Question. Electrical energy is measured in___________________?
```
- watt
- horse power
- kilo watt
- kilowatt hour

```
Question. For what displacement the P.E becomes 1/4 of its maximum value ?
```
- x = x’
- x = x’/2
- x = x’/4
- x = x(2)’/2

```
Question. The projection of the particle moving in a circle with non-uniform speed executes ?
```
- S.H.M
- Vibratory motion
- Both B and D
- None S.H.M

```
Question. Radioactivity is a ______ (A) Spontaneous activity (B) Chemical property_____________?
```
- A & B
- B & C
- C & A
- A B & C

```
Question. The ration stress to strain in youngs modulus of the material then tension is__________________?
```
- Directly proportional to extension
- Directly proportional to strain
- Directly proportional to square of amplitude
- Inversely proportional to extension

```
Question. The distance covered by a body in time t starting from rest is__________________?
```
- at2/2
- Vt
- a2t/2
- at2

```
Question. In a semiconductors the charge carriers are ___________________?
```
- Holes only
- Electrons only
- Electron and holes both
- All of the above

```
Question. Forward current through a semi conductor diode circuit is due to____________?
```
- minority carriers
- majority carriers
- holes
- electron

```
Question. The diameter of an atom is approximately_______________?
```
- 10-12m
- 10-11m
- 10-10m
- 10-14m

```
Question. Irregular flow of fluid is called_______________?
```
- Streamline
- Turbulent
- Uniform
- Laminar

```
Question. Stokes law is applicable if body has __________shape?
```
- Rough
- Square
- Circular
- Spherical

```
Question. The acceleration of a projection on the diameter for a particle moving along a circle is_______________?
```
- w2x
- wx2
- w2x
- wx2

```
Question. 2nd law of motion gives the definition of________________?
```
- force
- acceleration
- velocity
- both force and acceleration