Laser light is an extremely intense form of electromagnetic radiation and its name is acronym for:
Led amplification by stimulated emission of radiation
light amplification by stimulated emission of radiation
light deamplification by stimulated emission of radiation
light amplification by simulated emission of radiation
2 Antidotes for Sodium is
Wash with 2 M ammonia, keep the affected part dipped in sodium bisulphite solution
Apply ethanol on a cotton wool pad.
Wash with 1% acetic acid
Wash with 10% sodium bicarbonate solution
3 The ratio of the potential differrence across an appliance to the current flowing through it is measured in ----------------
volts
ohms
watts
ampres
4 In the wiring of a three - pin plug, which of the following colour combinations is appropriate ?
blue yellow black
black green yellow
red black green
red yellow brown
5 Which of the following is suitable as a fuse element?
brass
bronze
lead-tin
silver
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