Geometrical OpticsHard
Question
An object of height 1.5 cm is situated at a distance of 15 cm from a concave mirror. The concave mirror forms its real image of height 3.0 cm. The focal length of concave mirror will be
Options
A.- 10 cm
B.- 20 cm
C.20 cm
D.30 cm
More Geometrical Optics Questions
A reflected successively from from two plane mirrors inclined at at certain angle (< 90o) under goes a devotion of 30...Angle of prism is A and its one surface is silvered. Light rays falling at an angle of incidence 2A on first surface ret...If the equation of mirror is given by y = 2/ sinx(y > 0 , 0 If the equation of mirror is given by y = 2/π sin π...A prism of angle $75^{\circ}$ and refractive index $\sqrt{3}$ is coated with thin film of refractive index 1.5 only at t...The wavelength of light in two liquids ′x′ and ′y′ is 3500 and 7000 , then the critical angle wi...