AS Level Physics Quiz Questions and Answers PDF - 3

MCQ 11: Most appropriate instrument for measurement of internal and external diameter of a tube is

1. Vernier Callipers
2. micrometer screw gauge
3. meter rule
4. measuring tape

MCQ 12: When distance from center is doubled then electric field strength will

1. decrease by the factor of four
2. increase by factor of four
3. will be same
4. decrease by factor of two

MCQ 13: Liquid A and liquid B exert same amount of pressure on each other, but the density of A is twice the density of B. The height of liquid B is 10 cm, then the height of liquid A would be

1. 5 cm
2. 10 cm
3. 20 cm
4. 40 cm

MCQ 14: Incorrect statement for co-efficient of friction could be that

1. The coefficient of friction is denoted by the Greek letter µ.
2. The coefficient of friction is directly proportional to the force of friction
3. The coefficient of friction is constant even in the conditions of fast slipping and high contact pressure
4. The coefficient of friction is inversely proportional to the force pressing the surfaces together

MCQ 15: If we move a positive charge to a positive plate, then potential energy of charge is

1. decreased
2. increased
3. remains constant
4. dissipated