Light Reflection and Refraction

When a very small opaque object is placed on the path of light, light has a tendency to bend around it . This phenomenon of light is known as

• Reflection of light

• Refraction of light

• Deflection of light

• Diffraction of light

What is the relationship between radius of curvature and focal length

• 2R=f

• R=f/2

• R=2f

• f=R/2

The diameter of reflecting surface of spherical mirror is called its

Dealing with the reflection of light by spherical mirrors, we follow a set of sign conventions called

By the New Cartesian Sign Convention light form the object falls on the mirror from

• Left side

• Right side

• Downwards

• Upwards

In a Concave Mirror experiment, an object is placed at a distance x₁ from the focus and the image is formed at a distance x₂ from the focus. The focal length of the mirror would be

• x₁x₂

• √ x₁x₂

• x₁+x₂/2

• √ x₁/x₂

A negative sign in the value of magnification indicates that the image is

A positive sign in the value of the magnification indicates that the image is

If the magnification of image is 3 and image is 15cm, then find the object height

• h' = 4cm

• h' = 2cm

• h' = 5cm

• h' = 2.5cm

• (3/4)f

• (4/3)f

• f

• (7/3)f