NTSE SAT Physics Papers 06

NTSE SAT Physics Papers 06

This is NTSE SAT Physics Papers 06 .. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
A boy is rotating in a circular motion, a stone of mass 500 gm by using a string of length 50 cm with a speed 10 cm/s. What will be the work done by the force applied by the boy.
  • A
    \(\pi J\)
  • B
    \(10\pi J\)
  • C
    Zero
    Correct
  • D
    \(0.01\pi J\)
2
A planet of volume V and mass m has gravitational acceleration g on its surface. If it expands to 8 times its original volume, what will be the acceleration due to gravity.
  • A
    g/8
  • B
    2 g
  • C
    4 g
  • D
    g/4
    Correct
3
A convex lens forms a real image of a point object placed on its principal axis. If the upper half of the lens is cut
  • A
    the image will be shifted upward
  • B
    the image will be shifted downward
  • C
    none of the above
  • D
    the intensity of the image will decrease
    Correct
4
A screen is placed at a distance 40 cm away from an illuminated object. A converging lens if placed between the source and screen and attempt is made to form an image on screen. If no position could be found. The focal length of the lens
  • A
    Must not be less than 10 cm
  • B
    Must be greater than 20 cm
    Correct
  • C
    Must be less than 10 cm
  • D
    Must not be greater than 20 cm
5
In a nuclear reaction given below the total energy released is 355 kev and the binding energy of electron is 35 kev. The energy E of the neutrino will be\({}_{55}^{131}{C_s}\;\,\, + \,\,\,\,\,\,{}_{ - 1}^0{e_e}\,\,\,\,\,\,\, \to \,\,\,\,\,{}_{54}^{131}{X_e}\,\,\,\,\,\, + \,\,\,\,\,\,\,\,V\,\,\,(neutrino)\)
  • A
    None of the above
    Correct
  • B
    E = 355 kev
  • C
    E < 355 kev
  • D
    E > 355 kev
6
In the circuit given below what will be the ratio of current flowing in the upper arm ‘R’ and lower arm ‘R’
Question 6 figure 1
  • A
    5/3
  • B
    1/5
  • C
    2/3
  • D
    3/2
    Correct
7
What will be the equivalent resistance between points A and B in the given circuit.
  • A
    (8/3) R
    Correct
  • B
    2 R
  • C
    (5/3) R
  • D
    3 R
8
A rectangular coil of copper wire is rotated in a magnetic field. The direction of the induced current changes once in each.
  • A
    Half revolution
    Correct
  • B
    Revolution
  • C
    Two revolution
  • D
    One fourth of a revolution
9
Neglecting the rotating of the earth, if suddenly the attracting power of the earth drops to Zero, a man standing on the earth will
  • A
    Slide along the surface
  • B
    Move out tangentially
  • C
    Fly up
  • D
    Stand unaffected
    Correct
10
A high energy electron enters into a strong magnetic field which is perpendicular to its velocity plane. In which path is it expected to move?
  • A
    Option A
  • B
    Option B
  • C
    Option C
  • D
    Option D
    Correct
11
Light year is the unit to measure:
  • A
    The distance travelled by the earth in a year
  • B
    The distance travelled by the sound in a year
  • C
    The distance travelled by the light in a year
    Correct
  • D
    The distance travelled by the atoms in a year
12
The _______________ in running water turns a turbine to run a dynamo and produces electricity.
  • A
    Potential energy
  • B
    Kinetic energy
    Correct
  • C
    Heat energy
  • D
    Magnetic energy
13
A football has lesser inertia than a stone of the same size because:
  • A
    Football has less mass than the stone
    Correct
  • B
    Football has less air inside than the stone
  • C
    Football has more air inside than the stone
  • D
    Football has more mass than the stone
14
Sound travels faster in:
  • A
    Air
  • B
    Water
  • C
    Wood
  • D
    Steel
    Correct
15
The energy transformation in Mixie and Grinder is:
  • A
    Electrical to sound energy
  • B
    Electrical to light energy
  • C
    Electrical to heat energy
  • D
    Electrical to mechanical energy
    Correct