Friday, September 20, 2019

### 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...