State the laws of reflection

State the laws of reflection. Answer: The angle of incidence is equal to the angle of reflection. i.e. ∠i = ∠r The incident ray, the reflected ray and the normal to the surface at the point of...

Angle of incidence is equal to the angle of reflection

Angle of incidence is equal to the angle of reflection (a) Always(b) Sometimes(c) Under special conditions(d) Never Answer: (a) Always. According to first law of reflection, the angle of incidence is always equal to the angle...

Image formed by a plane mirror is

Image formed by a plane mirror is(a) virtual, behind the mirror and enlarged(b) virtual, behind the mirror and of the same size as the object(c) real at the surface of the mirror and enlarged(d)...

Describe the construction of a kaleidoscope

Describe the construction of a kaleidoscope.  Answer: The kaleidoscope is a simple toy that uses the idea of multiple images formed by the combination of plane mirrors. It forms many beautiful and fascinating coloured patterns. It...

Draw a labeled sketch of the human eye.

Draw a labeled sketch of the human eye. Answer: (Ref Fig 16.14 in the book)But , A Guide Is Here The human eye is an organ that reacts to light and has several purposes. As a...

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