Chapter 9 – Ray Optics
The angle of incidence for an equilateral prism is 60 degree. What should be the refractive index of prism so that the ray is parallel to the base inside the prism ?
26
Jun
The angle of incidence for an equilateral prism is 60 degree. What should be the refractive index of prism so that the ray is parallel to the base inside the prism ? The angle of incidence for an equilateral prism is 60 degree. What should be the refractive index of prism so that the ray [...]
A point object is placed at a distance of 25 cm from a convex lens of focal length 20 cm. If a glass slab of thickness t and refractive index 1.5 is inserted between the lens and the object, the image is formed at infinity. The thickness t is
26
Jun
A point object is placed at a distance of 25 cm from a convex lens of focal length 20 cm. If a glass slab of thickness t and refractive index 1.5 is inserted between the lens and the object, the image is formed at infinity. The thickness t is A point object is placed at [...]
Parallel beam of light is incident on a system of two convex lenses of focal lengths f1 = 20 cm and f2 = 10 cm. What should be the distance between the two lenses so that rays after refraction from both lenses get undeviated?
26
Jun
Parallel beam of light is incident on a system of two convex lenses of focal lengths f1 = 20 cm and f2 = 10 cm. What should be the distance between the two lenses so that rays after refraction from both lenses get undeviated? A hallow convex lens of glass will behave like a June [...]
A concave lens forms the image of an object such that the distance between the object and image is 10 cm and the magnification produced is 1/4. The focal length of the lens will be
26
Jun
A concave lens forms the image of an object such that the distance between the object and image is 10 cm and the magnification produced is 1/4. The focal length of the lens will be A concave lens forms the image of an object such that the distance between the object and image is 10 [...]
The magnification of an object placed in front of a convex lens of focal length 20 cm is + 2. To obtain a magnification of -2, the object has to be moved a distance equal to:
26
Jun
The magnification of an object placed in front of a convex lens of focal length 20 cm is + 2. To obtain a magnification of -2, the object has to be moved a distance equal to: The magnification of an object placed in front of a convex lens of focal length 20 cm is + [...]
A ray of light undergoes deviation of 30∘ when incident on an equilateral prism of refractive index root2 . The angle made by the ray inside the prism with the base of the prism is
26
Jun
A ray of light undergoes deviation of 30∘ when incident on an equilateral prism of refractive index root2 . The angle made by the ray inside the prism with the base of the prism is A ray of light undergoes deviation of 30∘ when incident on an equilateral prism of refractive index root2 . The [...]
A plane mirror is made of glass slab (u_(g)=1.5) 2.5 cm thick and silvered on back. A point object is placed 5 cm in front of the unsilvered face of the mirror. What will be the position of final image ?
26
Jun
A plane mirror is made of glass slab (u_(g)=1.5) 2.5 cm thick and silvered on back. A point object is placed 5 cm in front of the unsilvered face of the mirror. What will be the position of final image ? Figure shows the graph of angle of deviation delta versus angle of incidence i [...]
The refractive index of a prism is 2. The prism can have a maximum refracting angle of
26
Jun
The refractive index of a prism is 2. The prism can have a maximum refracting angle of The refractive index of a prism is 2. The prism can have a maximum refracting angle of June 26, 2021 Category: Arihant Physics by D.C Pandey , Chapter 9 - Ray Optics , Volume 2 ,
A hallow convex lens of glass will behave like a
26
Jun
A hallow convex lens of glass will behave like a A hallow convex lens of glass will behave like a June 26, 2021 Category: Arihant Physics by D.C Pandey , Chapter 9 - Ray Optics , Volume 2 ,
Two plane mirrors are arranged at right angles to each other as shown in figure. A ray of light is incident on the horizontal mirror at an angle theta. For what value of theta the ray emerges parallel to the incoming ray after reflection from the vertical mirror ?
26
Jun
Two plane mirrors are arranged at right angles to each other as shown in figure. A ray of light is incident on the horizontal mirror at an angle theta. For what value of theta the ray emerges parallel to the incoming ray after reflection from the vertical mirror ? Figure shows the graph of angle [...]