NEET Physics MCQ: NCERT Photoelectric Effect | NEET.Guide Questions

Two different metals, M1 and M2, are used as the cathode in separate photoelectric experiments. M1 has a larger work function than M2. If both metals are illuminated with light of the same frequency and intensity, which of the following is TRUE?

A

The stopping potential for M1 will be lower than that for M2.

B

The stopping potential for M1 will be higher than that for M2.

C

The stopping potentials for M1 and M2 will be the same.

D

The photocurrent for M1 will be higher than that for M2.

Question Tags

📚 Subject:Physics

📑 Chapter:Dual Nature of Matter and Radiation

🎯Topic:Photocells

🎓 Ncert Level:Analyzing

🎯Difficulty :Hard

⚡ Time Required :1.5 mins

🔄Ncert Concepts :Photoelectric effect, Work function, Stopping potential

Related Questions

The ratio of the de Broglie wavelengths of an electron of energy $10\;eV$ to that of person of mass $66\;kg$ travelling at a speed of $100\;km/hr$ is of the order of

A

${10^{34}}$

B

${10^{27}}$

C

${10^{17}}$

D

${10^{ - 10}}$

Question Tags

📚 Subject:Physics

📑 Chapter:Dual Nature of Matter and Radiation

🎯Topic:Photocells

🎓 Ncert Level:Application

🎯Difficulty :Medium

⚡ Time Required :3 mins

🔄Ncert Concepts :de Broglie wavelength, kinetic energy, momentum, unit conversion

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