AIPMT 2010 Solved Papers
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AIPMT 2010 Physics
Q. 4. The potential difference that must be applied to stop the fastest photoelectrons
emitted by a nickel surface, having work function 5.01 eV, when ultraviolet light
of 200 nm falls on it, must be:
- 2.4 V
- − 1.2 V
- − 2.4 V
- 1.2 V
Sol:
Answer : (4)
Q. 5. Two positive ions, each carrying a charge q, are separated by a distance d. If F is
the force of repulsion between the ions, the number of electrons missing from each
ion will be (e being the charge of an electron):
Sol:
Answer : (3)
Q. 6. A block of mass m is in contact with the cart C as shown in the Figure.
The coefficient of static friction between the block and the cart is μ. The acceleration α of the cart that will prevent the block from falling satisfies:
Sol.
Answer: (3)