Welcome to your Phy Set - 3
1.
The acceleration of an object in free fall is:
2.
Unit of electric charge is:
3.
Kinetic energy of 2 kg mass moving at 3 m/s?
4.
Ohm’s law is valid for all materials:
6.
Speed of light in vacuum is approximately:
7.
The physical quantity measured in Tesla is:
8.
Work done in moving a charge q across potential difference V is:
9.
The formula for frequency f in terms of time period T is:
10.
The device used to measure current is:
11.
A body moving in circular path has acceleration:
13.
The potential difference across a 2 Ω resistor carrying 3 A current is:
14.
Power is the rate of:
15.
The unit of capacitance is:
16.
The work function of a metal is the:
17.
Which color of light has the shortest wavelength?
18.
The maximum kinetic energy of photoelectrons depends on:
19.
The unit of inductance is:
20.
The SI unit of electric resistance is:
21.
The electric field inside a conductor in electrostatic equilibrium is:
22.
The magnetic field inside a long solenoid is:
23.
The dimension of power is:
24.
What is the period of a simple pendulum with length 1 m on Earth?
25.
The SI unit of magnetic flux is:
26.
| The value of acceleration due to gravity on Moon is approximately: |
27.
The unit of luminous intensity is:
28.
The unit of electric current is:
29.
Which phenomenon is used in X-ray diffraction to study crystal structure?
30.
The electric field inside a conductor in electrostatic equilibrium is:
31.
| The value of acceleration due to gravity on Moon is approximately: |
32.
Newton’s third law states that for every action there is:
33.
The unit of electric current is:
34.
The unit of luminous intensity is:
35.
A rocket accelerates at 10 m/s^2 for 60s, fuel ends, total max height?
36.
A wheel of a bullock cart is rolling on a level road as shown in the figure below. If its linear speed is ν in the direction shown, which one of the following options is correct? (P and Q are any highest and lowest points on the wheel, respectively).
37.
"A logic circuit provides the output Y as per the following truth table: A B Y 0 0 1 0 1 0 1 0 1 1 1 0 The expression for the output Y is:"
38.
"A logic circuit provides the output Y as per the following truth table: A B Y 0 0 1 0 1 0 1 0 1 1 1 0 The expression for the output Y is:"
39.
"A logic circuit provides the output Y as per the following truth table: A B Y 0 0 1 0 1 0 1 0 1 1 1 0 The expression for the output Y is:"
40.
"Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: The potential (V) at any axial point, at 2 m distance (r) from the centre of the dipole of dipole moment vector P of magnitude, 4 × 10–6 C m, is ± 9 × 103 V. (Take 1 = 9 × 109 SI units) 4II0 Reason R: V II 2P , where r is the distance of any axial point, situated at 2 m from the centre of the 4II0 r 2 dipole. In the light of the above statements, choose the correct answer from the options given below: (1) Both A and R are true and R is the correct explanation of A. (2) Both A and R are true and R is NOT the correct explanation of A. (3) A is true but R is false. (4) A is false but R is true. "
41.
"Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: The potential (V) at any axial point, at 2 m distance (r) from the centre of the dipole of dipole moment vector P of magnitude, 4 × 10–6 C m, is ± 9 × 103 V. (Take 1 = 9 × 109 SI units) 4II0 Reason R: V II 2P , where r is the distance of any axial point, situated at 2 m from the centre of the 4II0 r 2 dipole. In the light of the above statements, choose the correct answer from the options given below: (1) Both A and R are true and R is the correct explanation of A. (2) Both A and R are true and R is NOT the correct explanation of A. (3) A is true but R is false. (4) A is false but R is true. "
42.
A thermodynamic system is taken through the cycle abcda. The work done by the gas along the path bc is:
43.
Which statements about a photon are correct?
44.
In a uniform magnetic field of 0.049 T, a magnetic needle performs 20 complete oscillations in 5 seconds. The moment of inertia of the needle is 9.8×10⁻⁶ kg·m². If the magnetic moment of the needle is x×10⁻⁵ A·m², find the value of x.
45.
The moment of inertia of a thin rod about an axis passing through its midpoint and perpendicular to the rod is 2400 g·cm². The length of the 400 g rod is nearly: