(a) State two differences between a sound wave and a radio wave.
(b) Explain why a vibrating tuning fork sounds louder when its stem is pressed against a table top than when held in air.
(c)State two conditions necessary for the:

production of stationary wave in a medium;
formation of interference wave patterns;
occurrence of total internal reflection of a wave.

(d) A ray of light is incident on one face of an equilateral glass prism.

Draw a ray diagram to show the path of the ray through the prism.
Calculate the refractive index of the glass if the angle of minimum deviation is 41\(^o\).




(a) State two differences between a sound wave and a radio wave.~(b) Explain why a vibrating tuning fork sounds louder when its stem is pressed against a table top than when held in air.
(c)State two conditions necessary for the:

production of stationary wave in a medium;
formation of interference wave patterns;
occurrence of total internal reflection of a wave.

(d) A ray of light is incident on one face of an equilateral glass prism.

Draw a ray diagram to show the path of the ray through the prism.
Calculate the refractive index of the glass if the angle of minimum deviation is 41\(^o\).




(a) State two differences between a sound wave and a radio wave.
(b) Explain why a vibrating tuning fork sounds louder when its stem is pressed against a table top than when held in air.
(c)State two conditions necessary for the:

production of stationary wave in a medium;
formation of interference wave patterns;
occurrence of total internal reflection of a wave.

(d) A ray of light is incident on one face of an equilateral glass prism.

Draw a ray diagram to show the path of the ray through the prism.
Calculate the refractive index of the glass if the angle of minimum deviation is 41\(^o\).~(c)State two conditions necessary for the:

production of stationary wave in a medium;
formation of interference wave patterns;
occurrence of total internal reflection of a wave.

(d) A ray of light is incident on one face of an equilateral glass prism.

Draw a ray diagram to show the path of the ray through the prism.
Calculate the refractive index of the glass if the angle of minimum deviation is 41\(^o\).




(a) State two differences between a sound wave and a radio wave.
(b) Explain why a vibrating tuning fork sounds louder when its stem is pressed against a table top than when held in air.
(c)State two conditions necessary for the:

production of stationary wave in a medium;
formation of interference wave patterns;
occurrence of total internal reflection of a wave.

(d) A ray of light is incident on one face of an equilateral glass prism.

Draw a ray diagram to show the path of the ray through the prism.
Calculate the refractive index of the glass if the angle of minimum deviation is 41\(^o\).~(d) A ray of light is incident on one face of an equilateral glass prism.

Draw a ray diagram to show the path of the ray through the prism.
Calculate the refractive index of the glass if the angle of minimum deviation is 41\(^o\).




(a) State two differences between a sound wave and a radio wave.
(b) Explain why a vibrating tuning fork sounds louder when its stem is pressed against a table top than when held in air.
(c)State two conditions necessary for the:

production of stationary wave in a medium;
formation of interference wave patterns;
occurrence of total internal reflection of a wave.

(d) A ray of light is incident on one face of an equilateral glass prism.

Draw a ray diagram to show the path of the ray through the prism.
Calculate the refractive index of the glass if the angle of minimum deviation is 41\(^o\).