NTSE SAT Physics Papers 11

NTSE SAT Physics Papers 11

This is NTSE SAT Physics Papers 11 .. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
A myopic eye can be corrected by using a-
  • A
    Cylindrical lens
  • B
    Convex lens
  • C
    Plane mirror
  • D
    Concave lens
    Correct
2
In a solution of \(CuS{O_4}\) a piece of ZN is dropped. The solution becomes colourless. This reaction will be-
  • A
    Addition reaction
  • B
    Dissociation reaction
  • C
    Decomposition reaction
  • D
    Substitution reaction
    Correct
3
Decibel is-
  • A
    A sound apparatus
  • B
    The wave length of noise
  • C
    The unit of intensity of sound
    Correct
  • D
    A sound tone
4
The renewable source of energy is-
  • A
    Geothermal power
    Correct
  • B
    Uranium
  • C
    Coal
  • D
    Natural gas
5
The first artificial satellite was-
  • A
    Aryabhatta
  • B
    Sputnik — 1
    Correct
  • C
    Explorer — 1
  • D
    Luna — 3
6
Titan is the largest moon or satellite of-
  • A
    Venus
  • B
    Saturn
    Correct
  • C
    Jupiter
  • D
    Mars
7
A concave mirror of focal length is 10 cm produces an image five times large and real. The distance of object from the mirror will be-
  • A
    10 cm
  • B
    12 cm
    Correct
  • C
    20 cm
  • D
    16 cm
8
What will be the work done in raising the velocity of a car weighing 2000 kg from 18 km/hr to 54 km/hr.
  • A
    \(2.0 \times {10^5}J\)
    Correct
  • B
    \(1.5 \times {10^5}J\)
  • C
    \(2.5 \times {10^5}J\)
  • D
    \(22.5 \times {10^5}J\)
9
Two cars of unequal masses use similar tyres. If they are moving with same initial speed, the minimum stopping distance
  • A
    depends on the volume of the car
  • B
    is same for both the cars
    Correct
  • C
    is smaller for the lighter car
  • D
    is smaller for the heavier car
10
A body is dropped from a 100 m high cliff and at the same time another body is thrown from the ground with 25 m/s velocity in upward direction. Where the two will meet?
  • A
    50 m
  • B
    20 m
  • C
    40 m
    Correct
  • D
    10 m
11
A truck and a car are moving with velocity v towards each other. They collide head in and stops after some time. If the time of collision is 1 se. which vehicle will have maximum change in momentum?
  • A
    none of the above
  • B
    truck
  • C
    both will have same
    Correct
  • D
    car
12
A balloon which is ascending at the rate of 12 m/s is 30.4 metre above the ground, when a stone is dropped. After what time the stone will reach the ground?
  • A
    6 sec.
  • B
    3.5 sec.
  • C
    3 sec.
  • D
    4 sec.
    Correct
13
A pandubbi sends a sonar signal to locate a body and receives the echo after 5 s. If the velocity of sound is 340 m/s. What is the distance of the body?
  • A
    1.7 km
  • B
    0.85 km
    Correct
  • C
    4.25 km
  • D
    0.425 km
14
Which of the following quantities remain constant in a planetary motion (consider elliptical orbits) as seen from the sun?
  • A
    Angular momentum
    Correct
  • B
    Kinetic energy
  • C
    Angular velocity
  • D
    Speed
15
The far point of a myopic person is 100 cm in front of him. What is the power of the lens to correct the problem of his eye ?
  • A
    (+)1.25 D
  • B
    -1.25 D
  • C
    (+)1.0 D
  • D
    -1.0D
    Correct