Question

plzz answer me friends question 1and 2❣❤❤❤❤❤And plzz don't give irrelevant answers
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Answer 1

✤ Required Answer ✤

Q) Write the rules for images through spherical mirrors and draw the ray diagrams.

Ans ⟹ The rules for images through spherical mirrors are:

• A ray of light which is parallel to the principal axis of a spherical mirror will pass through its focus after reflection from the mirror.

• A ray of light passing through the centre of curvature of a spherical mirror will reflect back along the same path.

• A ray of light passing through the focus of a spherical mirror becomes parallel to the principal axis after reflection.

• A ray of light which is incident at the pole of a spherical mirror is reflected back making the same angle with the principal axis.

[ Refer to the attachment for the required diagrams. ]

Q) Draw concave mirror and mark Pole, Focus and Centre of curvature.

Ans ⟹ Refer to the last diagram in the attachment.

Let's know their definition too:

• Pole : The geometrical central point or a reflecting spherical surface is called pole. Denoted by 'P'.

• Focus : The point on the principal axis,where all parallel lines meet after reflection is called focus. Denoted by 'F'.

• Centre of Curvature : The reflecting surface of a spherical mirror form a part of a sphere. It has centre which is known as centre of curvature. It is denoted by 'C'.

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✤ More Information ✤

What is a spherical mirror?

⟹ A spherical mirror is that mirror which is spherical in shape or we can say that mirrors whose reflecting surface are curved inward or outward spherically is called a spherical mirror.

Types of spherical mirrors:

⟹ Concave mirror : If any spherical mirror is curved inward then it is called concave mirror.

• Concave mirrors are used by dentists to see the large image of teeth.

• Concave mirrors are used as shaving mirrors.

Convex mirror : If any spherical mirror is curved outward then it is called convex mirror.

• Convex mirrors are used as rear view mirrors.

• Convex mirrors are also used in shops for security.

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Answer 2

Answer:

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Explanation:

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