after reflection

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L is a lens such that a parallel beam of light incident on it. after refraction, converges to a point at a distance x from it and M is a mirror such that a parallel beam of light incident on it, after reflection, converges to a point at a distance y
09
Sep
L is a lens such that a parallel beam of light incident on it. after refraction, converges to a point at a distance x from it and M is a mirror such that a parallel beam of light incident on it, after reflection, converges to a point at a distance y after reflection converges to [...]
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Tags: after reflection , converges to a point at a distance x from it and M is a mirror such that a parallel beam of light incident on it , converges to a point at a distance y , L is a lens such that a parallel beam of light incident on it. after refraction ,
A wave of frequency 100 Hz travels along a string towards its fixed end. When this wave travels back, after reflection, a node is formed at a distance of 10 cm from the fixed end. The speed of the wave (incident and reflected) is
26
Aug
A wave of frequency 100 Hz travels along a string towards its fixed end. When this wave travels back, after reflection, a node is formed at a distance of 10 cm from the fixed end. The speed of the wave (incident and reflected) is a node is formed at a distance of 10 cm from [...]
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Tags: a node is formed at a distance of 10 cm from the fixed end. The speed of the wave (incident and reflected) is , A wave of frequency 100 Hz travels along a string towards its fixed end. When this wave travels back , after reflection ,