Physics Padhai

 Self Practice Test

1) The ratio of the force and cross section area is called?

1. Stress

2. Strain

3. Tension

4. Surface Energy

2) SI Unit of Capacitance is ?

1. Coulomb

2. Pascal

3. Farad

4. Ohm

3) Which EM waves have the longest Wavelength

1. Radio Wave

2. Microwave

3. X ray

4. Visible light

4) Which bias allows forward current to flow in case of semiconductor device 

1. Triple Bias

2. Reverse Bias

3. Forward Bias

4. Double Bias

5) Which case is valid for projectile motion?

1. Only vertical velocity constant

2. Vertical velocity changing and horizontal velocity remains constant

3. Vertical velocity constant and horizontal velocity changes.

4.  Only horizontal velocity constant

6) In any system let X is measured in Newton and Y is measured in m2  then give dimension of  X/Y

1. L1  M2  T1

2. L-2  M2  T2

3. L1  M-2  T1

4.  L-1  M1  T-2

7) The time period of simple pendulum Is related by a formula 

Choose the correct alternative.

1. Time period of simple pendulum is inversely proportional to square of acceleration due to gravity

2. Time period of simple pendulum is inversely proportional to length

3. Time period of simple pendulum is inversely proportional to acceleration due to gravity and length

4. Time period of simple pendulum is inversely proportional to acceleration due to gravity and  directly proportional to length

8) The radius of a sphere measured repeatedly yields values 5.63 m, 5.54 m, 5.44 m, 5.40 m and

5.35 m. Determine the most probable value of radius

1. 6.236 m

2. 5.432 m

3. 5.472 m

4. 5.221 m

9) Which of the following set cannot fit in list of Fundamental quantities

1. Mass, Length, Current

2. Resistance, Temperature, Amount of substance

3. Meter, kilogram , second

4. Kelvin, Candela, Ampere

10) A)Pure semiconductor is called as Intrinsic Semiconductor

B) Pure semiconductor is called as Extrinsic Semiconductor

C) Impure Semiconductor is made up of Gold and Aluminium

D) Arsenic is used in making Semiconductor

1. A , B is correct

2. A , C , D is correct

3. Only A is correct

4. All A, B, C,D is correct

*************All The Best***********