Question
I am not able to understand 11.1.2
Can you we please attach a video for this problem
Can you we please attach a video for this problem
English
Dec. 16, 2020, 1:08 p.m.
Answer
Draw the ray diagrams for convex lens when the object is kept at different places in front of a convex lens
In exercise 7.2 , 8th question , 2nd image , you wrote x1=2 , X2=2 , but in book and in diagram it is x1=(-2) and how it can be .
Maths
Dec. 16, 2020, 10:25 a.m.
Answer
It costs Rs 2200 to paint the inner curved surface of a cylindrical vessel 10 m deep. If the cost
of painting is at the rate of Rs 20 m2
. Find (i) inner curved surface surface area of the vessel.
(ii) radius of the base (iii) capacity of the vessel.
of painting is at the rate of Rs 20 m2
. Find (i) inner curved surface surface area of the vessel.
(ii) radius of the base (iii) capacity of the vessel.