Answer in one word/ one sentence / state/ define.
If `theta = 72^@`, find the number of images formed.

Answer in one word/one/sentence/ state/ define. What is skip distance?

Answer in one word/ one sentence / state/ define. What is the wavelength range of x-rays.

Answer in one word/ one sentence / state / define. Name the SI unit of magnetic flux.

Answer in one word/ one sentence / state/ define. Which em wave is used in RADAR.

Answer in one word/one/sentence/ state/ define. What do you mean by www of internet?

Answer in one word/one/sentence/ state/ define. What is critical frequency?

Answer in one word/ one sentence / state / define. Name the CGS unit of magnetic flux.

Answer in one word/ one sentence / state/ define. Mention two uses each of concave mirror

Answer in one word/ one sentence / state/ define. Is the image of your face formed in a plane mirror, real?

Answer in one word/ one sentence / state/ define. Mention two uses each of convex mirror