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Stopping Potential and Threshold Frequency for GUJCET: 2 solved questions

Real GUJCET paper questions on stopping potential and threshold frequency, part of dual nature of matter and radiation. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2007 to 2008. No sign-in needed to read them.

What this topic asks

• Stopping potential from wavelength — 1 question
• What the stopping potential depends on — 1 question

All 2 questions with solutions

• Ultraviolet light of wavelength 200 nm is incident on a polished surface of iron (Fe). The work function of t… GUJCET 2008
• When a point source of light is at a distance of 50 cm from a photoelectric cell, the stopping voltage is fou… GUJCET 2007