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1
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
According to Einstein's photoelectric equation, the plot of the kinetic energy of the emitted photo electrons from a metal $$Vs$$ the frequency, of the incident radiation gives as straight the whose slope
A
depends both on the intensity of the radiation and the metal used
B
depends on the intensity of the radiation
C
depends on the nature of the metal used
D
is the same for the all metals and independent of the intensity of the radiation
2
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
Two identical photo-cathodes receive light of frequencies $${f_1}$$ and $${f_2}$$. If the velocities of the photo electrons (of mass $$m$$ ) coming out are respectively $${v_1}$$ and $${v_2},$$ then
A
$$v_1^2 - v_2^2 = {{2h} \over m}\left( {{f_1} - {f_2}} \right)$$
B
$${v_1} + {v_2} = {\left[ {{{2h} \over m}\left( {{f_1} + {f_2}} \right)} \right]^{1/2}}$$
C
$$v_1^2 + v_2^2 = {{2h} \over m}\left( {{f_1} + {f_2}} \right)$$
D
$${v_1} - {v_2} = {\left[ {{{2h} \over m}\left( {{f_1} - {f_2}} \right)} \right]^{1/2}}$$
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Sodium and copper have work functions $$2.3$$ $$eV$$ and $$4.5$$ $$eV$$ respectively. Then the ratio of the wavelengths is nearest to
A
$$1:2$$
B
$$4:1$$
C
$$2:1$$
D
$$1:4$$
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Formation of covalent bonds in compounds exhibits
A
wave nature of electron
B
particle nature of electron
C
both wave and particle nature of electron
D
none of these
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