Question

SECTION -C
Question numbers 10 to 19 carry two marks each
10.. Calculate the number of images formed by plane mirrors inclined at each other at 30°.
11. A train starting from rest moves with a uniform acceleration of 0.2 m/s? for 5 minutes. Calculate the
final velocity and average velocity,
12. “An opaque paper when oiled becomes translucent". Give reason.
13. If 'K' and 'l'shells of an atom are completely filled, then what would be the total number of electrons
in the atom? Write its valency.​

Answer 1

number of image will be infinite