Question

answer all that questions please ​

Answer 1

Answer:

• Ans-Rules for sign convention : All distances should be measured from the pole. The distances measured in the direction of incident light, to be taken positive and measured in the opposite direction of incident light to be taken negative
• .If the object is placed between the focus and pole of a concave mirror, it provides a virtual enlarged and erect image. So, the doctors use it as a magnifying tool. The concave mirrors provide a magnified reflection of whatever is being reflected
• Makeup mirrors are perhaps the most common use of a concave mirror to produce a larger, upright image. A convex mirror is a diverging mirror (f is negative) and forms only one type of image. It is a case 3 image—one that is upright and smaller than the object, just as for diverging lenses.
• Greek inventor Archimedes is said to have used mirrors to burn ships of an attacking Roman fleet.
• The relationship between the focal length f and radius of curvature r is r = 2f.

Answer 2

Answer:

1. *

2. mainly dentists use concave mirror for seeing the teeth comfortably

3. real or inverted image is formed due to its inward curved surface *

4. A real image and a virtual image are different forms of image. The main difference between real and virtual images lies in the way in which they are produced. A real image is formed when rays converge, whereas a virtual image occurs where rays only appear to diverge.

5. * Concave mirror

6.The relation between focal length (f) and radius of curvature (R) of a spherical mirror is that the focal length is equal to half of the radius of curvature i.e. f=R2. ... We know that rays of light parallel to the principal axis passing through the focus (F) of a concave mirror, after reflection.

sorry Q 1. I am not sure

and Question 3. is a miss printed as virtual but correct answer is Real image or Inverted

I HOPE IT HELPS YOU

MARK AS BRAINLEST