Physics paper-3

sin x is ____ function?

• even

• odd

• both even and odd

• none

Bohr model of atom has ____ postulates?

• 1

• 2

• 3

• 4

What is the principal quantum number in an atom?

• m

• s

• l

• n

cos x is ____ function?

• even

• odd

• none

• both even and odd

How many electrons can occupy the first shell of an atom?

• 2

• 8

• 18

• 32