A biconvex lens has a radius of curvature of magnitude 20 cm. Which one of the following options best describe the image formed of an object of height 2 cm placed 30 cm from the lens?
Sahay Sir > Question Answers > A biconvex lens has a radius of curvature of magnitude 20 cm. Which one of the following options best describe the image formed of an object of height 2 cm placed 30 cm from the lens?
A thin prism having refracting angle 10 degree is made of glass of refractive index 1.42. This prism is combined with another thin prism of glass of refractive index 1.7. This combination produces dispersion without deviation. The refracting angle of second prism should be
20
Aug
A thin prism having refracting angle 10 degree is made of glass of refractive index 1.42. This prism is combined with another thin prism of glass of refractive index 1.7. This combination produces dispersion without deviation. The refracting angle of second prism should be A biconvex lens has a radius of curvature of magnitude 20 [...]
A boy is trying to start a fire by focusing Sunlight on a piece of paper using an equi-convex lens of focal length 10 cm. The diameter of the Sun is 1.39×10^9m and its mean distance from the earth is 1.5×10^11m. What is the diameter of the Sun’s image on the paper ?
20
Aug
A boy is trying to start a fire by focusing Sunlight on a piece of paper using an equi-convex lens of focal length 10 cm. The diameter of the Sun is 1.39×10^9m and its mean distance from the earth is 1.5×10^11m. What is the diameter of the Sun’s image on the paper ? A biconvex [...]
A biconvex lens has a radius of curvature of magnitude 20 cm. Which one of the following options best describe the image formed of an object of height 2 cm placed 30 cm from the lens?
20
Aug
A biconvex lens has a radius of curvature of magnitude 20 cm. Which one of the following options best describe the image formed of an object of height 2 cm placed 30 cm from the lens? A biconvex lens has a radius of curvature of magnitude 20 cm. Which one of the following options best [...]