1
AIIMS 2017
MCQ (Single Correct Answer)
+1
-0.33

AIIMS 2017 Physics - Oscillations Question 1 English

A load of mass $m$ falls from a height $$h$$ on the scale pan hung from a spring as shown. If the spring constant is $$k$$ and mass of the scale pan is zero and the mass $$m$$ does not bounce relative to the pan, then the amplitude of vibration is

A
$$m g$$
B
$$\frac{m g}{k} \sqrt{1+\frac{2 h k}{m g}}$$
C
$$\frac{m g}{k}+\frac{m g}{k} \sqrt{\frac{1+2 h k}{m g}}$$
D
None of the above
2
AIIMS 2017
MCQ (Single Correct Answer)
+1
-0.33

In an experiment to measure the height of a bridge by dropping stone into water underneath. If the error in measurement of time is $$0.2 \mathrm{~s}$$ at the end of $$4 \mathrm{~s}$$, then the error in estimation of height of bridge will be (neglect the water resistance, i.e. thrust)

AIIMS 2017 Physics - Motion in a Straight Line Question 2 English

A
$$\pm 19.68 \mathrm{~m}$$
B
$$\pm 17.22 \mathrm{~m}$$
C
$$\pm 7.84 \mathrm{~m}$$
D
$$\pm 12.22 \mathrm{~m}$$
3
AIIMS 2017
MCQ (Single Correct Answer)
+1
-0.33

A conductor lies along the z-axis at $$-1.5 \leq Z \leq 1.5 \mathrm{~m}$$ and carries a fixed current of 10.0 $$\mathrm{A}$$ in $$-a_z$$ direction as shown in figure for a field $$B=3 \times 10^{-4} e^{-0.2 x} a_y \mathrm{~T}$$, the total power required to move the conductor at constant speed to $$x=2.0 \mathrm{~m}, y=0 \mathrm{~m}$$ in $$5 \times 10^{-3} \mathrm{~s}$$ is (Assume parallel motion along the $$x$$-axis)

AIIMS 2017 Physics - Moving Charges and Magnetism Question 6 English

A
1.57 W
B
2.97 W
C
4.45 W
D
9.87 W
4
AIIMS 2017
MCQ (Single Correct Answer)
+1
-0.33

A lens of refractive index $$\mu$$ is put in a liquid of refractive index $$\mu^{\prime}$$. If the focal length of lens in air is $$f$$, then its focal length in liquid will be

A
$$\frac{-f \mu^{\prime}(\mu-1)}{\left(\mu^{\prime}-\mu\right)}$$
B
$$\frac{-f\left(\mu^{\prime}-\mu\right)}{\mu^{\prime}(\mu-1)}$$
C
$$-\frac{\mu^{\prime}(\mu-1)}{f\left(\mu^{\prime}-\mu\right)}$$
D
$$\frac{f \mu^{\prime} \mu}{\left(\mu-\mu^{\prime}\right)}$$
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