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Home » Medical Papers » Aptitude Test - 2
Hassan
1.Practically __________ current flows in a reverse biased p-n junction.
A. No.
B. Very Large.
C. Few milliamperes.
D. No.
2. Cesium coated oxidized silver emits electrons for __________ light.
A. Infrared.
B. Ultraviolet.
C. Visible.
D. Infrared.
3. The cobalt is absorbed by
A. Bones.
B. Skin.
C. Liver.
D. Bones.
4.In a step-down transformer the output current __________
A. is reduced.
B. Is increased.
C. Remains same.
D. is reduced.
5.Force in terms of base units is expressed as
A. kg ms-2
B. kg m2s-2 .
C. kg m2 s-3 .
D. kg ms-2
6.100 joules work has been done by an agency in 10 seconds. What is power of agency?
A. 1000 watt.
B. 100 watt.
C. 10 watt.
D. 1000 watt.
7.The acceleration is proportional to the displacement and is directed towards mean position in __________ motion.
A. Gravity.
B. Simple Harmonic
C. Uniform
D. Gravity.
8.In gases, the speed of sound is inversely proportional to __________ of the density when other factors are same.
A. Square root.
B. Square.
C. Third power.
D. Square root.
9.A watch maker uses __________ to repair the watches.
A. Telescope.
B. Convex Mirror.
C. Convex lens.
D. Telescope.
10.A 2m long pipe is open at both ends. What is its harmonic frequency?
A. 42.5 Hz.
B. 85 Hz.
C. 220Hz.
D. 42.5 Hz.
11.A wire has resistance 100 Ohm at 0 oC and 200 Ohm at 100 oC. What is its temperature coefficient in K-1?
A. -0.01.
B. -1/273.
C. 0.01.
D. -0.01.
12.The net magnetic field created by the electrons within an atom is due to the field created by their __________ motion.
A. Orbital.
B. Spin.
C. Orbital and Spin.
D. Orbital.
13.At high temperature, the proportion of __________ wavelength radiation increase.
A. AM Radio.
B. Long Radio.
C. Shorter.
D. AM Radio.
14. In photoelectric effect removal of photons is observed at _________ energies
A. Low
B. High
C. Intermediate
D. Low
15. Which device is the most efficient?
A. Nuclear reactor
B. Storage battery
C. Silicon solar cell
D. Nuclear reactor
16.Work done on a body equals change in its __________ energy.
A. total
B. Potiential
C. Kinetic
D. total
17.A pipe varies uniformly in diameter from 2 m to 4 m. An incompressible fluid enters the pipe with velocity 16m/sec. What is velocity of fluid when it leaves the pipe?
A. 64 m/sec.
B. 32 m/sec.
C. 8m/sec.
D. 64 m/sec.
18. Transverse waves cannot be setup in _________
A. Metals.
B. Solids.
C. Fluids.
D. Metals.
19.The ratio of the __________ is called magnification.
A. Image size to object size.
B. Object size to image size.
C. Eyepiece size to object size.
D. Image size to object size.
20.Which of the following has the highest resistivity?
A. Germanium
B. Silver
C. Copper
D. Germanium
21.An n-type semi-conductor is made by doping silicon crystal with __________
A. Indium
B. Aluminum
C. Arsenic
D. Indium
22.Objects cannot be accelerated to the speed of light in free space is consequence of
A. mass variation.
B. Energy mass relationship.
C. Interia forces
D. mass variation.
23. A certain radioactive mass decays from 64 gm to 2 gm in 20 days. What is its half-life?
A. 5 dayels.
B. 4 days.
C. 10 days.
D. 5 dayels.
24. If inductance is denoted by L and resistance by R, which of the following is true for a choke?
A. R is large, L is very small.
B. R is very small, L is large.
C. Both R and L are large.
D. R is large, L is very small.
25. A force 2i + j has moved its point of application from (2,3) to (6,5). What is work done?
A. -10
B. +10
C. -18
D. -10
26.he escape velocity corresponds to __________ energy gained by body, which carries it to an infinite distance from the surface of ear
A. Total.
B. Potential.
C. Initial kinetic.
D. Total.
27. The drag force decreases as the speed of an object moving through fluid __________
A. increases.
B. Decreases.
C. Remains constant.
D. increases.
28.Light year is a measure of
A. Distance.
B. Time.
C. Intensity of light.
D. Distance.
29.Which of the following is the most ductile?
A. Glass.
B. Copper.
C. Cast iron.
D. Glass.
30.Which type of bonding is present in NH4Cl?
A. Ionic
B. Colvalent
C. Coordinate Colvalent
D. Ionic
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