1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
A photosensitive metallic surface has work function, h$$\upsilon $$0. If photons of energy $$2h{\upsilon _0}$$ fall on this surface, the electrons come out with a maximum velocity of 4 $$ \times $$ 106 m/s. When the photon energy is increased to 5 h$$\upsilon $$0, then maximum velocity of photoelectrons will be
A
2 $$ \times $$ 107 m/s
B
2 $$ \times $$ 106 m/s
C
8 $$ \times $$ 106 m/s
D
8 $$ \times $$ 105 m/s
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
For the network shown in the figure the value of the current $$i$$ is

AIPMT 2005 Physics - Current Electricity Question 59 English
A
$${{9V} \over {35}}$$
B
$${{18V} \over 5}$$
C
$${{5V} \over 9}$$
D
$${{5V} \over {18}}$$
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
The total energy of an electron in the first excited state of hydrogen atom is about $$-$$ 3.4 eV. Its kinetic energy in this state is
A
3.4 eV
B
6.8 eV
C
$$-$$ 3.4 eV
D
$$-$$ 6.8 eV
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
In any fission process the ratio
mass of fission products
mass of parent nucleus
is
A
equal to 1
B
greater than 1
C
less than 1
D
depends on the mass of the parent nucleus.
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