Question

ose the correct alternative and write it along with its allotted
A) Choose the
alphabet :
Yash found out fi and f, of a symmetric convex lens experimentally.
Then which of the following conclusions is true?
(a) f;=f, (b) fi>f, (c)f;<f, (d) fi+f,
The halogen which is liquid at room temperature is ...
(a) fluorine (b) astatine (c) bromine (d) iodine
ii) Which of the following satellite launchers is developed by India?
(a) INSAT (b) IRNSS (C) EDUSAT (d) PSLV
(iv) The temperature of ice can be decreased below 0°C by mixing --
in it.
(a) saw dust (b) sand (c) salt (d) coal
(v) The image formed by a concave lens is always ...
(a) virtual and erect (b) real and erect
(c) virtual and inverted (d) real and inverted​

Answer 1

Answer:

b

d

a

d

hope it will help you . please mark me as a brainliest

hope for positive response.