1
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
If the kinetic energy of a free electron doubles, it's deBroglie wavelength changes by the factor
A
$$2$$
B
$${1 \over 2}$$
C
$${\sqrt 2 }$$
D
$${1 \over {\sqrt 2 }}$$
2
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
In the circuit, the galvanometer $$G$$ shows zero deflection. If the batteries $$A$$ and $$B$$ have negligible internal resistance, the value of the resistor $$R$$ will be - AIEEE 2005 Physics - Current Electricity Question 333 English
A
$$100\Omega $$
B
$$200\Omega $$
C
$$1000\Omega $$
D
$$500\Omega $$
3
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
Two simple harmonic motions are represented by the equations $${y_1} = 0.1\,\sin \left( {100\pi t + {\pi \over 3}} \right)$$ and $${y_2} = 0.1\,\cos \,\pi t.$$ The phase difference of the velocity of particle $$1$$ with respect to the velocity of particle $$2$$ is
A
$${\pi \over 3}$$
B
$${{ - \pi } \over 6}$$
C
$${\pi \over 6}$$
D
$${{ - \pi } \over 3}$$
4
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
The change in the value of $$g$$ at a height $$h$$ above the surface of the earth is the same as at a depth $$d$$ below the surface of earth. When both $$d$$ and $$h$$ are much smaller than the radius of earth, then which one of the following is correct?
A
$$d = {{3h} \over 2}$$
B
$$d = {h \over 2}$$
C
$$d = h$$
D
$$d = 2\,h$$
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