Please wait...

Physics Mock Test - 2
Menu grid icon
Red alarm icon Time Left -
  • Question 1/50
    5 / -1
    Emission of an alpha particle leads to a:
  • Question 2/50
    5 / -1
    Optical communication using fibers is performed in the frequency range of:
  • Question 3/50
    5 / -1
    The number of electrons contained in 1 coulomb of charge is
  • Question 4/50
    5 / -1
    According to Huygens' principle secondary wavelets ___________.
  • Question 5/50
    5 / -1
    The magnetic flux through a 50-turn coil increases at the rate of 0.05 Wb/s. What is the induced emf between the ends of the coil?
  • Question 6/50
    5 / -1
    The resistance of the bulb filament is 100 Ω at a temperature of 100 °C, its temperature co-efficient of resistance be 0.005 per °C. its resistance will become 200 Ω at a temperature.
  • Question 7/50
    5 / -1
    In a coil current changes from 2A to 4A in 0.05 second. If the average induced e.m.f. is 8 volt, then coefficient of self inductance is:
  • Question 8/50
    5 / -1
    The angular frequency of the charged particle in a cyclotron is
  • Question 9/50
    5 / -1
    Objects at different distances are seen by the eye. In this process which one of the following remains constant?
  • Question 10/50
    5 / -1
    Two current carrying long wires are placed parallel to each other and separated by a distance d. If the force on the segment of the wires is F, then the force F is related to d as:
  • Question 11/50
    5 / -1
    When unpolarised light of intensity I is incident on a system of two polariser A followed by B, the intensity of emergent light is I/8. Find the angle between the polarisers A and B.
  • Question 12/50
    5 / -1
    When a magnet is moved towards a coil, the induced e.m.f. in a coil is independent of the:
  • Question 13/50
    5 / -1
    An electromagnet is
  • Question 14/50
    5 / -1
    In a Young's double slit experiment, the intensity at the central maximum is I0. The intensity at a distance β/4 from the central maximum is (β is fringe width)
  • Question 15/50
    5 / -1

    Three charges +2q, +q, and Q are placed as shown in the figure. For the net force on +q to be zero, the charge on Q must be

  • Question 16/50
    5 / -1
    Which of the following statements is NOT true regarding the infrared radiation?
  • Question 17/50
    5 / -1
    Out of the following particles moving with the same velocity, _________ has the longest wavelength.
  • Question 18/50
    5 / -1
    A thin double convex lens has radii of curvature each of magnitude 40 cm and is made of glass with refractive index 1·5. The focal length of the lens is:
  • Question 19/50
    5 / -1

    A potential difference 'V' is applied across a conducting wire of diameter 'd' and length 'L'. When the diameter is doubled, the drift velocity-

  • Question 20/50
    5 / -1

    Total internal reflection is possible when light travels from

  • Question 21/50
    5 / -1
    The intrinsic semiconductor becomes an insulator at:
  • Question 22/50
    5 / -1
    Which one of the following sets of properties are relevant for an electrical fuse wire needed for normal applications?
  • Question 23/50
    5 / -1
    A typical cell develops a voltage of 0.5-1 V and can produce about ______ of electricity when exposed to the Sun.
  • Question 24/50
    5 / -1
    Which among the following is an electromagnetic wave ?
  • Question 25/50
    5 / -1
    Which of the following is not correct about the Biot-Savart’s law?
  • Question 26/50
    5 / -1
    A charge of magnitude Q is placed at a distance \(\dfrac{R}{3}\) from the center of a spherical shell of radius R, uniformly charged to the charge density σ. The electrostatic force on Q is: 
  • Question 27/50
    5 / -1
    Electric field strength due to a dipole of moment p at a distant point r along the axis of the dipole is:
  • Question 28/50
    5 / -1
    The masses of two particles having same kinetic energy are in the ratio of 2 ∶ 1. Their de Broglie wavelengths are in the ratio
  • Question 29/50
    5 / -1
    If the permittivity of the medium is ϵ then the dielectric constant of the medium is:
  • Question 30/50
    5 / -1
    A horizontal metal wire is carrying an electric current from the north to the south. Using a uniform magnetic field, it is to be prevented from falling under gravity. The direction of this magnetic field should be towards the_______
  • Question 31/50
    5 / -1
    When the transistor is used in the cut-off or saturation state, it acts as?
  • Question 32/50
    5 / -1

    The electric field intensity at a point due to point charge of 25 × 10-3 µC is 100 N/C. Calculate the electric potential at that point.

  • Question 33/50
    5 / -1

    Find the equivalent capacitance between PQ:

  • Question 34/50
    5 / -1
    Which of the following process is used for the retrieval of information from the carrier wave at the receiver?
  • Question 35/50
    5 / -1
    The wavelength of the incident photons for a photoelectric emission process is increased then the photoelectric current will-
  • Question 36/50
    5 / -1
    Three similar capacitors of capacitance 4 μF each are connected together in which of the following manner that the equivalent capacitance is equal to 6 μ F?
  • Question 37/50
    5 / -1
    The direction of current in the circular current loop is in anticlockwise direction. Then the top face of the coil will behave as
  • Question 38/50
    5 / -1
    If a diamagnetic substance is brought near the north or the south pole of a bar magnet, it is:
  • Question 39/50
    5 / -1
    The ratio of magnetic field due to a bar magnet on the axis and on the equator is-
  • Question 40/50
    5 / -1
    86Kr36 and 86Sr38 are examples of?
  • Question 41/50
    5 / -1
    Meter bridge can be used to find resistance of 
  • Question 42/50
    5 / -1
    Which of the following electromagnetic waves has the highest wavelength?
  • Question 43/50
    5 / -1

    Two ideal diodes are connected to a battery as shown in the circuit. The current supplied by the battery is

  • Question 44/50
    5 / -1
    A magnetic dipole is freely suspended in a constant magnetic field of strength B. How much torque will be acted on the dipole if it is placed in such a way that the angle between plane of dipole and magnetic field is 0°?
  • Question 45/50
    5 / -1
    The coil of the inductor element of 0.5 H is connected to an alternating source of frequency 50 Hz and its impedance will be -
  • Question 46/50
    5 / -1
    The quality factor 'Q' equal to _________ and it is an indicator of the sharpness of the resonance in a RLC circuit.
  • Question 47/50
    5 / -1
    Two lights waves having intensities in the ratio of 9 : 4, produce interference. Then the ratio of maximum to minimum intensities in the resulting interference pattern will be
  • Question 48/50
    5 / -1
    The focal length of a concave mirror is f in air. Its focal length in water (retractive index 4/3) will be 
  • Question 49/50
    5 / -1
    In a A.C. circuit V = 100 sin ωt V and \(I=100 \sin \left(100t + \dfrac{\pi}{3}\right) A\), then average power loss will be:
  • Question 50/50
    5 / -1
    Which of the following is the correct sequence of electromagnetic waves arranged in their increasing order of wavelengths?
Close button icon
User Profile
-

Answered - 0

Un-answered - 50

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
Mockers logo Get latest Exam Updates
& Study Material Alerts!
No, Thanks
Arrow pointer icon
Click on Allow to receive notifications
Notification bell icon ×
Open Now