Question

C) Select the correct option.



1) Which of the following instrument work on multiple reflections.
a) Telescope b) Periscope c) Prism d) Microscope




2) What was the name of the mission launched by India to mars.
a) Aryabhata b) Sputnik c) Mangalyan d) Saptarishi



3) CFCs are used in which of the following ?
a) Refrigerators b) Air Conditioners c) Aerosols d) All of these


can anybody ans me but who don't know ans they don't give ans there are options also

​

Answer 1

Answer:

1. a. periscope are the instruments based on multiple reflections

2.c.mangalyaan -1

3. a. refrigerator