Default Title

Question (11)

QN002481

Which lens is also called a converging lens?

(A) Concave lens
(B) Convex lens
(C) Cylindrical lens
(D) Plane glass

Correct Answer: B

Explanation:

A convex lens brings parallel rays closer together.

Link:

Report Error

Question (12)

QN002482

Which lens is also called a diverging lens?

(A) Convex lens
(B) Magnifying lens
(C) Concave lens
(D) Plane glass

Correct Answer: C

Explanation:

A concave lens spreads parallel rays apart.

Link:

Report Error

Question (13)

QN002483

In Activity 10.10, parallel beams passing through a convex lens were observed to:

(A) Remain parallel
(B) Spread out
(C) Converge
(D) Disappear

Correct Answer: C

Explanation:

Convex lenses converge parallel light rays.

Link:

Report Error

Question (14)

QN002484

In Activity 10.10, parallel beams passing through a concave lens were observed to:

(A) Converge
(B) Remain parallel
(C) Diverge
(D) Stop completely

Correct Answer: C

Explanation:

Concave lenses diverge parallel light rays.

Link:

Report Error

Question (15)

QN002485

When multiple parallel beams pass through a thin transparent glass plate, they:

(A) Converge
(B) Diverge
(C) Remain parallel
(D) Become inverted

Correct Answer: C

Explanation:

A glass plate does not cause convergence or divergence.

Link:

Report Error

Question (16)

QN002486

A student observes an image through a lens that is always upright and smaller than the object. The lens is:

(A) Convex lens
(B) Concave lens
(C) Plane glass
(D) Mirror

Correct Answer: B

Explanation:

A concave lens always forms erect diminished images.

Link:

Report Error

Question (17)

QN002487

Which observation confirms that a lens is convex?

(A) It always forms diminished images
(B) It can form both erect and inverted images
(C) It always forms erect images
(D) It never changes image size

Correct Answer: B

Explanation:

A convex lens can form both erect and inverted images.

Link:

Report Error

Question (18)

QN002488

A lens forms an inverted image of an object placed behind it. The lens must be:

(A) Concave lens
(B) Plane glass
(C) Convex lens
(D) Any transparent material

Correct Answer: C

Explanation:

Only a convex lens can form an inverted image.

Link:

Report Error

Question (19)

QN002489

Which lens is used in a magnifying glass?

(A) Concave lens
(B) Convex lens
(C) Cylindrical lens
(D) Plane glass

Correct Answer: B

Explanation:

Magnifying glasses use convex lenses.

Link:

Report Error

Question (20)

QN002490

A lens forms an image that becomes smaller as the object is moved farther away but remains upright. The lens is:

(A) Convex lens placed close to object
(B) Concave lens
(C) Plane glass
(D) Any lens

Correct Answer: B

Explanation:

A concave lens always forms upright diminished images.

Link:

Report Error

Question (11)

Which lens is also called a converging lens?

Explanation:

Link:

Question (12)

Which lens is also called a diverging lens?

Explanation:

Link:

Question (13)

In Activity 10.10, parallel beams passing through a convex lens were observed to:

Explanation:

Link:

Question (14)

In Activity 10.10, parallel beams passing through a concave lens were observed to:

Explanation:

Link:

Question (15)

When multiple parallel beams pass through a thin transparent glass plate, they:

Explanation:

Link:

Question (16)

A student observes an image through a lens that is always upright and smaller than the object. The lens is:

Explanation:

Link:

Question (17)

Which observation confirms that a lens is convex?

Explanation:

Link:

Question (18)

A lens forms an inverted image of an object placed behind it. The lens must be:

Explanation:

Link:

Question (19)

Which lens is used in a magnifying glass?

Explanation:

Link:

Question (20)

A lens forms an image that becomes smaller as the object is moved farther away but remains upright. The lens is:

Explanation:

Link:

Excel With Tutors

ExcelWithTutors

For Student

For Tutors

Learn

OUR POLICY