Smooth shining surface which rebounds the light back in same or indiff

1.	Smooth shining surface which rebounds the light back in same or indifferent direction is called _________.(a) a mirror (b) a lens (c) reflection of light (d) point of incidence2. Band of seven colours is called _______.(a) Dispersion (b) Spectrum (c) VIBGYOR (d) Reflection3. Name the dual gland.4. Braille system has ___________ dot patterns.5. Which of the following solutions will not make the bulb glow?(a) Sodium chloride (b) Copper sulphate  (c) Silver nitrate (d) Sugar in water
Answer» Answer: 1. 2. a Dispersion 3. PANCREAS 4. 63 5. d. Sugar in WATER EXPLANATION: I

Smooth shining surface which rebounds the light back in same or indifferent direction is called _____.(a) a mirror (b) a lens (c) reflection of light (d) point of incidence2. Band of seven colours is called _.(a) Dispersion (b) Spectrum (c) VIBGYOR (d) Reflection3. Name the dual gland.4. Braille system has _________ dot patterns.5. Which of the following solutions will not make the bulb glow?(a) Sodium chloride (b) Copper sulphate  (c) Silver nitrate (d) Sugar in water

Answer»

Answer:

2. a Dispersion

4. 63

5. d. Sugar in WATER