Which of the following statements about the mass and the weight of a body is not correct? its

• A. mass is a scalar quantity
• B. weight is a function of the gravitational pull on it
• C. mass on earth and on the moon is the same
• D. weigh at the equatior and at the poles is the same

Which of the following graphs correctly represents the relationship between the kinetic energy (K.E) and the displacement (d) from point of release of a swinging pendulum bob?

• A. I
• B. II
• C. III
• D. IV

An object is placed 15cm in front of a plane mirror. If the mirror is moved further 5cm away from the object and the image is

• A. 80cm
• B. 40cm
• C. 50cm
• D. 70cm

If two parallel conductors carry currents flowing in the same direction, the conducts will

• A. attract each other
• B. repel each other
• C. both move in the same direction
• D. have no effect on each other

Which of the following is an electrolyte?

• A. Paraffin
• B. Sugar solution
• C. Grape fruit
• D. Alcohol

Thermal energy added or removed from a substance that changes the state of the substance is called

• A. latent heat
• B. heat of reaction
• C. calorimetry
• D. specific heat

A transverse wave is applied to a string whose mass per unit length is 3 x 10^-2kgm^-1. If the string is under a tension 12N, the speed of the propagation of the wave is

• A. 5 m/s
• B. 20 m/s
• C. 30 m/s
• D. 40 m/s

A sound wave of velocity 350 ms^-1 is directed towards the surface of water. lf the ratio of the wavelength of sound in water to that in air is 425:100, calculate the velocity on the wave in water

• A. 82.4ms^-1
• B. 148.8ms^-1
• C. 350.0ms^-1
• D. 1487.5ms^-1

In the diagram given if the atmospheric pressure is 760mm, the pressure in the chamber G Is

• A. 660mm
• B. 830mm
• C. 690mm
• D. 860mm

The equivalent capacitance of a 3\(\mu F\) capacitor and a 6\(\mu F\) capacitor connected in parallel is

• A. 2.0\(\mu F\)
• B. 3.0\(\mu F\)
• C. 4.5\(\mu F\)
• D. 9.0\(\mu F\)