THE WAY (PHYSICS)

1. The period of an oscillatory motion is defined as the

Average of the times used in completing different numbers of oscillations

Time to complete a number of oscillations.

Time to complete one oscillation.

Time taken to move from one extreme position to the other.

2. A force acts on a body for 0.5 s changing its momentum from 16.0 kg m s"¹ to 21.0 kg m s"¹, calculate the magnitude of the force

42.0N

37.0N

32.0N

10.0N.

3. The direction of induced current in a straight wire placed in a magnetic field is determined by using

Fleming's right hand rule.

Maxwell's screw rule.

Faraday's law.

Lenz's law.

4. The speed of sound in air is directly proportional to

Its temperature on the Celsius scale.

Its temperature on the thermodynamic scale.

The cube root of its temperature on the Celsius scale.

The square root of its temperature on the absolute scale.

5. A platinum resistance thermometer has a resistance of 4 Q at 0 °C and 10 Q at 100 °C. Assuming the resistance changes uniformly with temperature, calculate the resistance of the thermometer when the temperature is 45 °C.

14.0 Q

6.7 Q

3.2 Q

2.7 Q.

6. Two bodies, P and Q, are in thermal equilibrium. Which of the following statements about the bodies is correct?

The temperature of Q is higher than that of P.

P and Q have the same heat capacity.

P and Q have the same mass.

P and Q are at the same temperature

7. An object is placed on the principal axis and at the centre of curvature of a concave mirror the image of the object formed by the mirror is .

Real and magnified.

Real and inverted.

Erect and magnified.

Erect and virtual.

8. A piece of metal of relative density 5.0 weighs 60 N in air. Calculate its weight when frilly immersed in water.

4N

5N

48N

60N

9. Which of the following is not one of the assumptions of kinetic thedry?

All collisions are elastic.

The molecules move in straight lines between collisions.

The number of molecules in a small volume is small.

All molecules are identical for a given gas.

10. It is noticed that the bottom of a glass cup filled with a liquid appears to be raised by 1/6 of the height. Calculate the refractive index of the liquid.

6

1.2

1.42

1.5.

The Way (Physics)

1. The period of an oscillatory motion is defined as the

2.

What first name or nickname would you like us to use?

2. A force acts on a body for 0.5 s changing its momentum from 16.0 kg m s"¹ to 21.0 kg m s"¹, calculate the magnitude of the force

3. The direction of induced current in a straight wire placed in a magnetic field is determined by using

4. The speed of sound in air is directly proportional to

5. A platinum resistance thermometer has a resistance of 4 Q at 0 °C and 10 Q at 100 °C. Assuming the resistance changes uniformly with temperature, calculate the resistance of the thermometer when the temperature is 45 °C.

6. Two bodies, P and Q, are in thermal equilibrium. Which of the following statements about the bodies is correct?

7. An object is placed on the principal axis and at the centre of curvature of a concave mirror the image of the object formed by the mirror is .

8. A piece of metal of relative density 5.0 weighs 60 N in air. Calculate its weight when frilly immersed in water.

9. Which of the following is not one of the assumptions of kinetic thedry?

10. It is noticed that the bottom of a glass cup filled with a liquid appears to be raised by 1/6 of the height. Calculate the refractive index of the liquid.

The Way (Physics)

1. The period of an oscillatory motion is defined as the

2.

What first name or nickname would you like us to use?

2. A force acts on a body for 0.5 s changing its momentum from 16.0 kg m s"1 to 21.0 kg m s"1, calculate the magnitude of the force

3. The direction of induced current in a straight wire placed in a magnetic field is determined by using

4. The speed of sound in air is directly proportional to

5. A platinum resistance thermometer has a resistance of 4 Q at 0 °C and 10 Q at 100 °C. Assuming the resistance changes uniformly with temperature, calculate the resistance of the thermometer when the temperature is 45 °C.

6. Two bodies, P and Q, are in thermal equilibrium. Which of the following statements about the bodies is correct?

7. An object is placed on the principal axis and at the centre of curvature of a concave mirror the image of the object formed by the mirror is .

8. A piece of metal of relative density 5.0 weighs 60 N in air. Calculate its weight when frilly immersed in water.

9. Which of the following is not one of the assumptions of kinetic thedry?

10. It is noticed that the bottom of a glass cup filled with a liquid appears to be raised by 1/6 of the height. Calculate the refractive index of the liquid.

2. A force acts on a body for 0.5 s changing its momentum from 16.0 kg m s"¹ to 21.0 kg m s"¹, calculate the magnitude of the force