Question

Q.1. State true and false for the following statements and correct the false statements.
(a) Galileo made first telescope in the year 1609.
Ans.
(b) We can see radio waves perfectly.
Ans.
(C) In a refracting telescope, refraction occurs because of lenses.
Ans.
(d) The Cassegrain telescope is made using convex mirror for the reflection
Ans.
(e) Hubble is an X-ray telescope, launched by NASA.
Ans.​

Answer 1

Answer:

1)True

2)False

3)True

4)False

5)False