Very Short Answer
Q1) How white light is composed?
Q2) What is rainbow?
Q3) What is spherical mirror?
Q4) What is lens?
Q5) Why concave and convex mirrors are called spherical mirrors?
Q6) What are the uses of the concave mirror?
Q7) What are the uses of the magnifying glass?
Q8) Which mirror is used as a rear view mirror and why?
Q9) What are the uses of convex mirror?
Q10) What does a concave lens do to an image?
Q11) Difference between concave mirror and convex mirror?
Q12) Write short note on prism?
Q13) State the difference between concave lens and convex lens?
Q14) Explain virtual image and where a virtual image is formed?
Q15) Distinguish between lens and mirror?
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