I only
II only
III only
I and III only
II and III only
Correct answer is D
No explanation has been provided for this answer.
Red and blue
Orange and green
Red and indigo
Violet and green
Yellow and red
Correct answer is C
This is called dispersion . A beam of white light passes through a prism and changes into a spectrum of colours.
The spectrum is a band of seven colours which is obtained by splitting of white light by a glass prism. The order of colours from the lower end of spectrum is violet (V), indigo (I), blue (B), green (G), yellow (Y), orange (O), and red (R).
The image is a plane mirror is
inverted, real with a magnificant of 12
inverted, virtual with a magnification of 1
inverted, real with a magnification of 2
upright, virtual with a magnificent of 1
upright, real with a magnification of 2
Correct answer is D
No explanation has been provided for this answer.
the final image is at the near-point
the image formed by the objective is before the focus of the eye piece
the angular magnification is the ratio of the focal length of the eye-piece lens to that of the objective
the foci dl the objective and the eye-piece coincide between the lenses
the distance between the objective lens and the eye-piece is equal to the difference between their focal lengths.
Correct answer is D
No explanation has been provided for this answer.