A metal surface is exposed to solar radiations, Chemistry

Assignment Help:

A metal surface is exposed to solar radiations:

(1) The emitted electrons have energy less than a maximum value of energy depending upon frequency of incident radiations   

(2) The emitted electrons have energy less than maximum value of energy depending upon intensity of incident radiation

(3)  The emitted electrons have energy equal to energy of photos of incident light

(4)  The emitted electrons have zero energy

Ans: The emitted electrons have energy less than a maximum value of energy depending upon frequency of incident radiations


Related Discussions:- A metal surface is exposed to solar radiations

The ratio of the energy of a photon & wavelength radiation, The ratio of th...

The ratio of the energy of a photon of 2000Å  wavelength radiation to that of 4000 Å    radiation is: (1) 1/4           (2) 4       (3) 1/2              (4) 2 Ans

Calculate the energy required to compress carbon dioxide, Calculate the ene...

Calculate the energy required to compress carbon dioxide from 1 bar to 50 bar (final volume is 50 ml, 298 K, ideal gas).

What do you mean by chemical bonding, Q. What do you mean by Chemical Bondi...

Q. What do you mean by Chemical Bonding? Ans. Atoms react chemically by losing, gaining or sharing electrons. Chemical bonds are the attractive forces that hold atoms toge

Define high spin octahedral complex, Q. Define high spin octahedral complex...

Q. Define high spin octahedral complex? Craig showed that highly electronegative ligands tend to form spin-free complexes.  Although the valence bond theory suggests two correc

Atoms in the water molecule, Atoms in the water molecule are linked by: ...

Atoms in the water molecule are linked by: (1) Electrovalent bond                  (2)Covalent bond   (3) Coordinate covalent bond    (4) Odd electron bond Ans: Cov

Electronic displacement in covalent bonds, Electronic displacement in coval...

Electronic displacement in covalent bonds It is examined that most of the attacking reagents all time possess either a positive or a negetive charge, hence for a solution to op

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd