NTSE SAT Physics Papers 07

NTSE SAT Physics Papers 07

This is NTSE SAT Physics Papers 07 .. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
If the mass of the body on the surface of the earth is 50 kg, its mass at the centre of the earth is:
  • A
    More than 50 kg
  • B
    Less than 50 kg
  • C
    Zero
  • D
    Equal to 50 kg
    Correct
2
The pressure of a given mass of a gas is inversely proportional to its volume when:
  • A
    The temperature increases
  • B
    The temperature remains constant
    Correct
  • C
    The temperature decreases
  • D
    There is an absolute temperature
3
The force experienced by a boy in the merry-go-round is:
  • A
    Magnetic
  • B
    Centripetal
  • C
    Gravitational
  • D
    Centrifugal
    Correct
4
Atomic clock is based on the principle of periodic vibration in the:
  • A
    Carbon atom
  • B
    Uranium atom
  • C
    Polonium atom
  • D
    Caesium atom
    Correct
5
In any electrical circuit, the direction of flow of current is:
  • A
    Stationary
  • B
    Opposite to the flow of electrons
    Correct
  • C
    Same as that of the flow of electrons
  • D
    Parallel to the flow of electrons
6
Which is the correct answer for the circuit given below?
Question 6 figure 1
  • A
    \({V_1} = {V_2} = {V_3}\)
    Correct
  • B
    \({R_1} = {R_2} = {R_3}\)
  • C
    \(\frac{{{V_1}}}{{{R_1}}} = \frac{{{V_2}}}{{{R_2}}} = \frac{{{V_3}}}{{{R_3}}}\)
  • D
    \({i_1} = {i_2} = {i_3}\)
7
The consumption of electrical energy in the house is measured in terms of:
  • A
    Joules
  • B
    Kilo joules
  • C
    Kilowatt hour
    Correct
  • D
    Watt hour
8
In transformer mutual inducing takes place, if the put is
  • A
    Only at 11 KV
  • B
    Only at 220 V
  • C
    AC Signal
    Correct
  • D
    DC Signal
9
During Nuclear fission
  • A
    Heat is transformed into energy
  • B
    Mass is transformed into energy
    Correct
  • C
    Radiation is transformed into energy
  • D
    Weight is transformed into energy
10
The spectrum which represents simple harmonic motion is
  • A
    Continuous spectrum
  • B
    Electronic spectrum
  • C
    Vibration spectrum
    Correct
  • D
    Hydrogen spectrum
11
When a stone is dropped into the lake, the produced waves are
  • A
    Sound waves
  • B
    Longitudinal waves
  • C
    Electromagnetic waves
  • D
    Transverse waves
    Correct
12
A vibrator generates the waves of the speed 330 and wavelength 0.8 m. Then the frequency and time period is
  • A
    264 Hz, 0.0030 sec
  • B
    412.5 Hz, 1.250 sec
    Correct
  • C
    264Hz, 0.0037 sec
  • D
    42.5Hz, 0.0024 sec
13
In which of the following set, the materials are arraigned on the basis of ascending oder of their refractive index?
  • A
    Air, silicon, kerosene, diamond
  • B
    Air, water, silicon, diamond
  • C
    Air, alcohol, silicon diamond
  • D
    Air, water, diamond, silicon
    Correct
14
Match the following: Group – A (i) Intake stroke (ii) Compression stroke (iii) Ignition stroke (iv) Expansion stroke (v) Exhaust stroke Group – B a. Air and petrol mixture is ignited b. Piston moves away from the spark plug c. Outlet valves open gasses are pushed out d. Piston moves towards the spark plug e. Heat and gasses are released
  • A
    i –b ii-e iii-d iv-a v-c
  • B
    i –b ii-d iii-a iv-e v-c
  • C
    i –b ii-d iii-e iv-a v-c
  • D
    i –d ii-b iii-a iv-e v-c
    Correct
15
A ray of light passes from denser medium to rarer medium, if thickness of the denser medium is doubled, then the emerging angle is
Question 15 figure 1
  • A
    Reduced its half
  • B
    Critical angle
  • C
    Not affected
    Correct
  • D
    Also doubled