1
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
The maximum number of possible interference maxima for slit-separation equal to twice the wavelength in Young's double-slit experiment, is :
A
three
B
five
C
infinite
D
zero
2
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
The work function of a substance is $$4.0$$ $$eV.$$ The longest wavelength of light that can cause photo-electron emission from this substance is approximately.
A
$$310$$ $$nm$$
B
$$400$$ $$nm$$
C
$$540$$ $$nm$$
D
$$220$$ $$nm$$
3
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
A radiation of energy $$E$$ falls normally on a perfectly reflecting surface. The momentum transferred to the surface is
A
$$Ec$$
B
$$2E/c$$
C
$$E/c$$
D
$$E/{c^2}$$
4
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
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