ENRICHMENT PROGRAM





ENRICHMENT PLAN-10/5/2020 TO 14/5/2020

Watch the lens activity video given below and answer the following:





QUESTIONS


1.A student performed an experiment with convex lens and found the virtual image of an object.

a) Find the position of the object. (refer the ray diagrams in the video)
b)What do you mean by virtual image?
c)How does the size of the image change?
d) Write an example for this type of image formation?

2.A student wants to project the image of a candle flame on the walls of school laboratory by using a lens :(refer the ray diagrams in the video)

a)  Which type of lens should he use and why?
b) At what distance in terms of focal length F of the lens should he place the candle flame so as to get a magnified and  a diminished image respectively on the wall.?


3.If the object is kept beyond 2F from a lens:
a) Find the position of the image formation.(refer the ray diagrams in the video)
b) State three characteristics of the image formed.
c)Where we can find this type of image formation?
d)How does the size of the image change as the object is brought closer from infinity towards the convex lens?

ANSWERS -CLICK THE LINK BELOW


https://drive.google.com/open?id=1I3U2J8P6hgTN8J5jmOQ14bohKiTGsCL2




ENRICHMENT PLAN-17/5/2020 TO 21/5/2020

complete the following decay equations:




No comments:

Post a Comment