HARD
9th Tamil Nadu Board
IMPORTANT
Earn 100

Draw ray diagram to show how the image is formed using a concave mirror, when the position of object is between F and P of the mirror. Mention the position and nature of the image.

Important Questions on Light

HARD
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 6 - Light>textbook exercises>Q viii
Explain with diagram how refraction of incident light takes place from rarer to denser medium.
HARD
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 6 - Light>textbook exercises>Q viii
Explain with diagram how refraction of incident light takes place from denser to rarer medium.
HARD
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 6 - Light>textbook exercises>Q viii
Explain with diagram how refraction of incident light takes place from normal to the surface separating the two media.
MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 6 - Light>textbook exercises>Q ix
A concave mirror produces three times magnified real image of an object placed at 7 cm in front of it. Where is the image located?
HARD
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 6 - Light>textbook exercises>Q ix
Light enters from air into a glass plate having refractive index 1.5. What is the speed of light in glass?
HARD
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 6 - Light>textbook exercises>Q ix
The speed of light in water is 2.25×108 m/s. If the speed of light in vacuum is 3×108 m/s, calculate the refractive index of water.
HARD
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 6 - Light>textbook exercises>Q x
Light ray emerges from water into air. Draw a ray diagram indicating the change in its path in water.
HARD
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 6 - Light>textbook exercises>Q x
When a ray of light passes from air into glass, is the angle of refraction greater than or less than the angle of incidence?