Subject: Maths, asked 10 hours, 6 minutes ago

## How to solve question 3, option B

Subject: Maths, asked 10 hours, 7 minutes ago

## How to solve question 3, option A

Subject: Maths, asked 10 hours, 7 minutes ago

Subject: Maths, asked 10 hours, 9 minutes ago

## How to solve question 2, option D

Subject: Maths, asked 10 hours, 9 minutes ago

## How to solve question 2, option C

Subject: Maths, asked 10 hours, 10 minutes ago

## How to solve question 2, option B

Subject: Maths, asked 10 hours, 11 minutes ago

## How to solve question 2, option A

Subject: Maths, asked 10 hours, 35 minutes ago

## How to solve question 1, option B

Subject: Maths, asked 10 hours, 38 minutes ago

Subject: Maths, asked 10 hours, 40 minutes ago

## How to solve option D

Subject: Maths, asked 10 hours, 40 minutes ago

## How to solve option C

Subject: Maths, asked 10 hours, 40 minutes ago

## How to solve option B

Subject: Science, asked 10 hours, 47 minutes ago

## 1.(a) Determine the focal length of a spherical mirror which forms three times magnified real image of an object placed 16 cm in front of it. (b) At what distance should an object be placed from a concave mirror of focal length 18 cm to obtain a real image at 24 cm from it. What will be the magnification produced in this case? (c) How far should an object be placed from a concave mirror of focal length 20 cm to obtain its image at a distance of 30 cm from the mirror? What will be the height of the image if the object is 6cm tall?

Subject: Science, asked 10 hours, 49 minutes ago

## A 2.0 cm tall object is placed perpendicular to the principal axis of a convex mirror of focal length 15 cm. At what distance from the mirror, should the object be placed so that it forms an image 10 cm from the lens? Also find the nature and the size of image formed.

Subject: Maths, asked 11 hours, 4 minutes ago

## how do you know if you should add or subtract in elimination? explain with examples.

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