Question

Measures
of
Central
Tendency
TERMINAL EXERCISE
Mean
1. An average daily wages of all 90 workers in a factory is 7. 60. An average daily
wages of non-technical workers is 7.45. Calculate an average daily wages of
technical workers if one-third workers are technical.​

Answer 1

Answer:

• Concave mirror converges the light rays to a single direction which cause excess heat but in case of convex mirror the light rays falling on it gets diverged and thus cannot point on any one direction. ... So convex mirrors cannot burn paper like concave mirrors.

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