Question

will be Rs 63,74,960.
EXERCISE 2.2
7
n
1) For the following G.P.s , find S

iv) 15., -5,5 15, -25...​

Answer 1

Answer:

bellmifermue

Step-by-step explanation:

amhamyisgiisju1. Why should magnesium ribbon be cleaned before burning in air?7. The image of a candle flame formed by a lens is obtained on a screen placed on the other side of the

lens. If the image is three times the size of the flame and the distance between lens and image is 80 cm,

at what distance should the candle be placed from the lens? What is the nature of the image at a

distance of 80 cm and the lens?17. A Converging lens and diverging lens of focal length 50cm and 100 cm are combined together. Find the

Power and focal length of the combined lens.14. Identify the device used as a spherical mirror or lens in following cases, when the image formed is virtual

and erect in each case.

(a) Object is placed between device and its focus, image formed is enlarged and behind it.

(b) Object is placed between the focus and device, image formed is enlarged and on the same side as

that of the object.

(c) Object is placed between infinity and device, image formed is diminished and between focus and

optical centre on the same side as that of the object.

(d) Object is placed between infinity and device, image formed is diminished and between pole and

focus, behind it.bhekbmvbxi Which of the following statements is true?

(a) A convex lens has 4 dioptre power having a focal length 0.25 m

(b) A convex lens has –4 dioptre power having a focal length 0.25 m

(c) A concave lens has 4 dioptre power having a focal length 0.25 m

(d) A concave lens has –4

Answer 2

Answer:

2.2 question no.11?

Profile picture

1 answer

Can you please tell the answer of exercise 2.2 question no:1

Profile picture

1 answer

Is exercise 2.2 is removed 2pu maths?

Be the first to answer

Can I get imp question of exercise of 2.2 and 2.4

Be the first to answer

View