Question

Q. Give one word answer

(1) An electromagnet with hollow metallic core .

(2) A thin tungsten wire that glows in a bulb .

(3) A mirror used by dentist .

(4) Band of seven colours .

(5) The hardest substances in our body . ​

Answer 1

Answer:

1) solenoid

2) filament

3) concave mirror

4) spectrum

5) Tooth enamel

Answer 2

Answer:

1) solenoid 2)filament 3)concave 4) spectrum 5)enamel