Light - Reflection and Refraction

A ray passing through the center of curvature of a concave mirror or directed in the direction of the center of curvature of a convex mirror after reflection will ____________

• Reflect through the focus

• Emerge parallel to Principal Axis

• Reflect along the same path

• Reflect obliquely

Light from the object falls on the mirror on _______ hand side.

Tags

NGSS.MS-PS4-2

All the distance parallel to Principal Axis are measured from?

• Center of Curvature (C)

• Principal Focus (F)

• Focal length (f)

• Pole (P)

The position of the object of the concave and the convex lens is at "Infinity" and at "2F₁" respectively. What is the position of the image?

• At Focus F₁

• At 2F₂

• At infinity

• Between F₂ and 2F₂

The radius of the sphere of which the reflecting surface of a spherical mirror forms a part, is called the __________

Identify the image

• Convex lens

• Concave mirror

• Concave lens

• Convex mirror

The diameter of the reflecting surface of spherical mirror is known as ______

• Focal length

• Principal Axis

• Aperture

• Varience

A convex mirror used for rear-view on an automobile has a radius of curvature of 3.00 m. If a bus is located at 5.00 m from this mirror, find the position, nature and size of the image.

• The image is virtual, erect and smaller in size by a factor of -0.23

• The image is real, erect and smaller in size by a factor of 0.23

• The image is virtual, erect and smaller in size by a factor of 0.23

• The image is virtual, inverted and bigger in size by a factor of 2.00

1 Dioptre =

Power of convex lens is ________