A vertical tube, closed at one end, is immersed in water. A column of air is trapped inside the tube.

Q#45 A vertical tube, closed at one end, is immersed in water. A column of air … Read more A vertical tube, closed at one end, is immersed in water. A column of air is trapped inside the tube.

A man standing next to a stationary train hears sound of frequency 400 Hz emitted from the train’s horn.

Q#25 A man standing next to a stationary train hears sound of frequency 400 H… Read more A man standing next to a stationary train hears sound of frequency 400 Hz emitted from the train’s horn.

(a) (i) State the basic assumption of the kinetic theory of gases that leads to the conclusion

Q#10 (a) (i)  State the basic assumption of the kinetic theory of gases that le… Read more (a) (i) State the basic assumption of the kinetic theory of gases that leads to the conclusion

(a) Define the ohm. (b) Wires are used to connect a battery of negligible internal resistance to a lamp,

Question 19 (a)  Define the  ohm . [1] (b)  Wires are used to connect a battery… Read more (a) Define the ohm. (b) Wires are used to connect a battery of negligible internal resistance to a lamp,

A bullet of mass 2.0 g is fired horizontally into a block of wood of mass 600 g. The block is

Q#43 A bullet of mass 2.0 g is fired horizontally into a block of wood of mass … Read more A bullet of mass 2.0 g is fired horizontally into a block of wood of mass 600 g. The block is

An electron is travelling in a vacuum at a speed of 3.4 × 107 m s-1. The electron

Q#17 An electron is travelling in a vacuum at a speed of 3.4 × 10 7   m s -1 . … Read more An electron is travelling in a vacuum at a speed of 3.4 × 107 m s-1. The electron