JETS OF ZAMBIA(PHYSICS)

Which law states that the force of attraction between two particles of masses M and m is inversely proportional to the square of their distance r apart and directly proportional to the product of the masses?

• UNIVERSAL GRAVITY

• UNIVERSAL SOLVENT

What formula can be used to calculate the energy of a single photon?

• E = hv

• E = hK

What do you call the type of relativity which deals with frames of reference in uniform relative motion?

• KINETIC ENERGY

• SPECIAL

An object of mass 1200kg is made to move on a surface by a constant force of 500N. Calculate the frictional force between the surface and the object.

• 500N

• 2.4N

A plane takes off at an angle of 600 above the horizontal at a speed of 500km/hr. what is the horizontal component of the velocity of the plane?

• 300000Km/hr

• 250km/hr

What name is given to semiconductors which become increasingly better conductors as they get warmer?

• GOOD CONDUCTORS

• THERMISTORS

State the formula for linear expansivity?

• L2 – L1 per K

  L 3 Q

• L2 – L1 per K

  L 1 Q

What is the other name for linear expansion?

• COEFFICIENT OF LINEAR EXPANSION

• RANK OF COEFFICIENT CORRELATION

When is dew formed?

• WHEN AIR COOLED BELOW ITS PICK POINT

• WHEN AIR COOLED BELOW ITS DEW POINT

What do we call the angular dispersions per mean deviation of a prism or lens?

• DISPERSIVE POWER

• DISPENSATION POWER