The critical angle for light going from medium X into medium Y is θ. The speed of light in medium X is v. The speed of light in medium Y is
Sahay Sir > Question Answers > The critical angle for light going from medium X into medium Y is θ. The speed of light in medium X is v. The speed of light in medium Y is
An object is placed at a distance of 25 cm from the pole of a convex mirror and a plane mirror is set at a distance 5 cm from the convex mirror so that the virtual images formed by the two mirrors do not have any parallax. The focal length of the convex mirror is :
15
Nov
An object is placed at a distance of 25 cm from the pole of a convex mirror and a plane mirror is set at a distance 5 cm from the convex mirror so that the virtual images formed by the two mirrors do not have any parallax. The focal length of the convex mirror is [...]
A concave mirror is placed on a horizontally table with its axis directed vertically upward. Let O be the pole of the mirror and C its centre of curvature. A point object is placed at C. It has a real image, also located at C. If the mirror is now filled with water, the image will be
15
Nov
A concave mirror is placed on a horizontally table with its axis directed vertically upward. Let O be the pole of the mirror and C its centre of curvature. A point object is placed at C. It has a real image, also located at C. If the mirror is now filled with water, the image [...]
A convex lens A of focal length 20cm and a concave lens G of focal length 5cm are kept along the same axis with the distance d between them. If a parallel beam of light falling on A leaves B as a parallel beam, then the distance d in cm will be
15
Nov
A convex lens A of focal length 20cm and a concave lens G of focal length 5cm are kept along the same axis with the distance d between them. If a parallel beam of light falling on A leaves B as a parallel beam, then the distance d in cm will be The critical angle [...]
A convex lens of focal length 1.0m and a concave lens of focal length 0.25m are 0.75m apart. A parallel beam of light is incident on the convex lens. The beam emerging after refraction from both lenses is
15
Nov
A convex lens of focal length 1.0m and a concave lens of focal length 0.25m are 0.75m apart. A parallel beam of light is incident on the convex lens. The beam emerging after refraction from both lenses is The critical angle for light going from medium X into medium Y is θ. The speed of [...]
The critical angle for light going from medium X into medium Y is θ. The speed of light in medium X is v. The speed of light in medium Y is
15
Nov
The critical angle for light going from medium X into medium Y is θ. The speed of light in medium X is v. The speed of light in medium Y is The critical angle for light going from medium X into medium Y is θ. The speed of light in medium X is v. The [...]