13 April 2023 Evening Shift physics questions with solutions

Showing 1–10 of 29 questions

• MCQmediumCapacitorRC circuit

  In the shown network, the charge accumulated on the 4 μF capacitor in steady state is:

  

  Options

  • Option A

    4.8 μC

  • Option B

    12 μC

  • Option C

    7.2 μC

  • Option D

    10.3 μC

  Check answerShow answer

  13 April 2023 Evening Shift

  Open question & full solution →
• IntegermediumGeometrical opticslens and combination lens,silvered lens

  A biconvex lens of focal length 10 cm is cut into two identical parts by a plane perpendicular to its principal axis. Find the power of each part in dioptres.

  Your answer

  Check answerShow answer

  13 April 2023 Evening Shift

  Open question & full solution →
• MCQeasyElectrostaticelectric charge and coulamb's law

  A charge of 10 μC is divided into two parts and placed 1 cm apart. For maximum repulsive force, the two charges should be:

  Options

  • Option A

    7 μC and 3 μC

  • Option B

    8 μC and 2 μC

  • Option C

    9 μC and 1 μC

  • Option D

    5 μC and 5 μC

  Check answerShow answer

  13 April 2023 Evening Shift

  Open question & full solution →
• MCQmediumThermodynamicsthermodynmic process and work done

  An ideal gas initially has pressure P₀ and volume V₀. It is suddenly compressed to volume V₀/4. If γ is the ratio of specific heats, the final pressure is:

  Options

  • Option A

    P₀·4¹ᐟᵞ

  • Option B

    4P₀

  • Option C

    P₀

  • Option D

    P₀·4ᵞ

  Check answerShow answer

  13 April 2023 Evening Shift

  Open question & full solution →
• IntegereasyRotational Motionrotational constrain motion

  A light rope is wound around a hollow cylinder of mass 5 kg and radius 70 cm. The rope is pulled by a force 52.5 N. Find the angular acceleration in rad s⁻².

  Your answer

  Check answerShow answer

  13 April 2023 Evening Shift

  Open question & full solution →
• A/RmediumNuclear physicsNucles and its density radius and mass defect ,binding energy and its curve

  Given below are two statements: one is labelled Assertion A and the other is labelled Reason R.

  Assertion

  The binding energy per nucleon is practically independent of atomic number for nuclei having mass number in the range 30 to 170.

  Reason

  Nuclear force is short-ranged.

  Options

  • Option A

    Both A and R are true but R is NOT the correct explanation of A

  • Option B

    Both A and R are true and R is the correct explanation of A

  • Option C

    A is true but R is false

  • Option D

    A is false but R is true

  Check answerShow answer

  13 April 2023 Evening Shift

  Open question & full solution →
• MCQeasyKinematics part-3 Relative motionRelative motion in one dimension

  A passenger in train A moving at 90 km h⁻¹ observes train B moving in the opposite direction for 8 s. If train B moves at 54 km h⁻¹, the length of train B is:

  Options

  • Option A

    120 m

  • Option B

    200 m

  • Option C

    320 m

  • Option D

    80 m

  Check answerShow answer

  13 April 2023 Evening Shift

  Open question & full solution →
• MCQmediumPhotoelectric effect and dual nature of matterquestion based on photoelectric effect

  Given below are two statements: Statement I: Among microwaves, infrared rays and ultraviolet rays, ultraviolet rays are most effective for emission of electrons from a metallic surface.

  Statement II: Above threshold frequency, the maximum kinetic energy of photoelectrons is inversely proportional to incident frequency. Choose the correct answer.

  Options

  • Option A

    Statement I is false but Statement II is true

  • Option B

    Both Statement I and Statement II are true

  • Option C

    Statement I is true but Statement II is false

  • Option D

    Both Statement I and Statement II are false

  Check answerShow answer

  13 April 2023 Evening Shift

  Open question & full solution →
• MCQmediumUnit dimension and errorDimension and its application

  In the equation [X + a/Y²](Y - b) = RT, X is pressure and Y is volume. The physical quantity having the same dimensions as a/b is:

  Options

  • Option A

    Coefficient of viscosity

  • Option B

    Energy

  • Option C

    Impulse

  • Option D

    Pressure gradient

  Check answerShow answer

  13 April 2023 Evening Shift

  Open question & full solution →
• MCQeasyKinematics Part-1 (one dimension)Instantaneous speed and instantaneous velocity

  The distance travelled by an object in time t is given by s = 2.5t². The instantaneous speed at t = 5 s is:

  Options

  • Option A

    25 m s⁻¹

  • Option B

    12.5 m s⁻¹

  • Option C

    5 m s⁻¹

  • Option D

    62.5 m s⁻¹

  Check answerShow answer

  13 April 2023 Evening Shift

  Open question & full solution →