Multiple Choice Question X — task. Science CBSE, Class 10.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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1. A convex mirror of focal length f (in air) is immersed in a liquid \(\mu =\ \frac{4}{3}\). The focal length of the mirror in liquid will be :

\(f\)
\(\frac{3}{4}\ f\)
\(\frac{4}{3}\ f\)
\(\frac{7}{3}\ f\)

2. A ray of light is incident on a plane mirror at an angle. If the angle between the incident and reflected rays is \(80^o\), what is the value of \(\theta\):

\(55^o\)
\(45^o\)
\(40^o\)
\(50^o\)

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10. Multiple Choice Question X

Exercise condition: