NTSE SAT Physics Papers 04

This is NTSE SAT Physics Papers 04 .. There are 15 questions in this test with each question having around four answer choices.


Q.1) On a bulb is written 220 Volt and 60 watt. Find out the resistance of the bulb and the value of the current flowing through it.
  1. 200 ohm / 4 ampere
  2. 806.66 ohm / 0.27 ampere
  3. 500 ohm / 2 ampere
  4. 100 ohm / 1 ampere
Correct Answer: 806.66 ohm / 0.27 ampere
Q.2) The maximum attraction in a magnet is-
  1. On the surface
  2. In the centre
  3. On the poles
  4. On the sides
Correct Answer: On the poles
Q.3) The unit of frequency is-
  1. Hertz
  2. Kilo Calorie
  3. Joule
  4. Ohm
Correct Answer: Hertz
Q.4) The first Astronaut in space was-
  1. Neel Armstrong
  2. Robert Godai
  3. H. G. Wales
  4. Uri Gagarin
Correct Answer: Uri Gagarin
Q.5) A person takes time t to go once around a circular path of diameter 2R. The speed (v) of this person would be
  1. {tex}\frac{{2\pi R}}{t}{/tex}
  2. {tex}\frac{{\pi {R^2}}}{t}{/tex}
  3. {tex}\frac{t}{{2\pi R}}{/tex}
  4. {tex}2\pi R.T.{/tex}
Correct Answer: {tex}\frac{{2\pi R}}{t}{/tex}
Q.6) A body of mass 2 kg is moving on a smooth floor in straight line with a uniform velocity of 10 m/s. Resultant force acting on the body is
  1. 2 N
  2. Zero
  3. 10 N
  4. 20 N
Correct Answer: Zero
Q.7) The S.I. unit of pressure is
  1. N/m
  2. {tex}N/{m^2}{/tex}
  3. {tex}N.{m^2}{/tex}
  4. {tex}{m^2}/N{/tex}
Correct Answer: {tex}N/{m^2}{/tex}
Q.8) The frequency of a source of sound is 50 Hz. How many times does it vibrate in one minute?
  1. 3000
  2. 300
  3. 50
  4. 30000
Correct Answer: 3000
Q.9) A person of mass 50 kg runs up to staircase of 40 steps in 6 sec. If the height of each step is 15 cm, then his power will be (if {tex}g = 10m/{s^2}{/tex})
  1. 300 W
  2. 1000 W
  3. 500 W
  4. 600 W
Correct Answer: 500 W
Q.10) The focal length of a concave mirror in air is f. If it is immersed in water {tex}\left( {n = \frac{4}{3}} \right){/tex}, then the then the focal length will be
  1. f
  2. {tex}\frac{3}{4}f{/tex}
  3. 4 f
  4. {tex}\frac{4}{3}f{/tex}
Correct Answer: f
Q.11) A student was asked to draw a ray diagram for information of image by a convex lens for the following positions of the object:
Between F and 2F
At F
At 2F
Between F and optical centre
The position for which virtual image can be formed among these is
  1. D
  2. C
  3. A
  4. B
Correct Answer: D
Q.12) The value of equivalent resistance between the points A and B in the given circuit, will be
  1. {tex}\frac{R}{6}{/tex}
  2. 6 R
  3. {tex}\frac{{11R}}{4}{/tex}
  4. {tex}\frac{{4R}}{{11}}{/tex}
Correct Answer: {tex}\frac{{11R}}{4}{/tex}
Q.13) The far point of a myopic person is 75 cm in front of the eye. The nature and power of the lens required to correct the problem, will be
  1. Convex lens, -1.33 D
  2. Concave lens, +1.33 D
  3. Convex lens, +1.33 D
  4. Concave lens, -1.33 D
Correct Answer: Concave lens, -1.33 D
Q.14) An electron enters in a magnetic field at right angle to it as shown in figure. The direction of force acting on the electron will be
  1. Into the page
  2. Out of the page
  3. To the left
  4. To the right
Correct Answer: Into the page
Q.15) When 1 J of work is done to move a charge of 1 C from one point to another point then the potential difference between two points in a given circuit will be
  1. 8 V
  2. 4 V
  3. Zero
  4. 1 V
Correct Answer: 1 V

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