After reflection from the concave mirror, rays of light f...
After reflection from the concave mirror, rays of light from the sun converges
at the radius of curvature
at the focus
beyond the radius of curvature
between the focus and radius of curvature
Correct answer is B
No explanation has been provided for this answer.
The wire of a platinum resistance thermometer has d resistance of 3.5\(\Omega\) at 0 °C and...
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A platinum-resistance thermometer has a resistance of 10 ω at 0°C and 18 ω at 100°C. Assuming th...
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