15. The critical wavelength for producing the photoelec
tric effect in tungsten metal is 2600 Å .
(a) What is the energy of a quantum at this wave
length?
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15. The critical wavelength for producing the photoelec
tric effect in tungsten metal is 2600 Å .
(a) What is the energy of a quantum at this wave
length?
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Verified answer
Answer:
E = 7.65 × 10^(-19) J
Explanation:
E= hc/wavelength
=> E = 6.63× 10^(-34) × 3×10⁸ ÷ { 2600 × 10^(-10) }
=> E = 19.89 × 10^(-18) ÷26
=> E = 7.65 × 10^(-19) J
Answer:
2000000 is answer
Explanation:
10000 *200
= 2000000