Lenses OCR Gateway GCSE

The point where the rays meet is known as....

• Fire
• the focal point
• refraction
• Plane of the lens

Which describes a convex lens?

• triangular in shape
• more transparent in the middle
• thicker on the edges than in the middle
• thicker in the middle than on the edges

A converging lens is also known as a ____ lens.

• convex
• concave
• double
• refracted

When an object is placed on the focal point in front of a convex lens, the image produced is ___.

• real, reduced, and inverted
• real, enlarged, and inverted
• real, true, and inverted
• There is no image

When an object is placed between the focal point and the convex lens, the image produced is ___.

• real, reduced, and inverted
• real, enlarged, and inverted
• virtual, enlarged, and upright
• virtual, reduced, and upright

A diverging lens is also known as a ____lens.

• refracted
• diffracted
• convex
• concave

This image is.....

• Real inverted and diminished

• Real inverted and magnified

• Virtual upright and magnified

• Virtual, inverted and diminished

This image is...

• Real Inverted and diminished

• Real inverted and magnified

• Virtual upright and magnified

• Virtual inverted and magnified

a real image...

• is produced by virtual rays and can be projected on a screen
• is produced by real rays and cannot be projected on a screen
• is produced by virtual images and cannot be projected on a screen
• is produced by real rays and can be projected on a screen

What type of image is formed when rays of light actually intersect?

• real
• virtual
• projected
• curved