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Physics 11 Past Paper 2024 | Notely

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All Physics 11 papers

Class 11 · Past paper

Physics 11 past paper 2024

53 published questions in this index. The full practice view lets you work through them and track your own attempts.

17 MCQs36 written questionsPractise this paper

Question index

3
Solid angle subtended at the center of a sphere of radius ($r$) is equal to:
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17
The path difference for destructive interference is:
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1
Optically active crystal rotates the:
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1
Under what conditions do two or more sources of light behave as coherent sources?

This is a skimmable index, not a replacement for the study surface. Open the practice view to answer questions and use the linked study material.

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1

Explain **addition of number of vectors** ($N$ vectors) by using rectangular components method. Illustrate with diagram.

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2

For an ideal gas the internal energy is directly proportional to:

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2

Why is the flash of lightning seen earlier than the thunder? Explain briefly.

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2

What is meant by **projectile motion**? Explain in detail. Derive expressions for height of projectile and time of flight of projectile.

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3

Differentiate between **precision** and **accuracy**.

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3

Describe **Bernoulli's equation** for ideal fluid flow.

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4

If the magnitude of $\vec{A} \cdot \vec{B} = \frac{1}{2}AB$, then the angle between $\vec{A}$ and $\vec{B}$ is:

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4

Show that: $\|\vec{A} \times \vec{B}\|^2 + \|\vec{A} \cdot \vec{B}\|^2 = A^2 B^2$

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4

Explain the principle of energy conservation in simple harmonic motion (SHM), including the interconversion between kinetic and potential energy.

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5

Which one remains constant for a satellite in orbit?

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5

Under what circumstances would a vector have components that are equal in magnitude? Explain graphically.

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5

Show that the work done in a gravitational field is independent of the path followed.

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6

Angle of projection for which the range of a projectile becomes half of its maximum range is equal to:

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6

Describe the limitations of dimensional analysis.

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6

What is meant by **orbital velocity**? Derive relationship between orbital velocity, the gravitational constant, mass and radius of orbit.

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7

The slope of velocity-time graph at any instant represents:

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7

For a projectile show that: $R = R_{\text{max}} \sin 2\theta$

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7

Explain **Doppler effect** on the basis of principle of superposition.

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8

If the body of mass $2\text{ kg}$ is raised vertically through $3\text{ m}$, then work done will be:

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8

Differentiate between **conservative** and **non-conservative forces**.

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8

Show that: $C_p - C_v = R$

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9

Which one of the following is a nonrenewable source of energy?

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9

Show that the given equation is dimensionally consistent: $2as = v_f^2 - v_i^2$

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10

If $A_x = -2, A_y = -2$ then resultant vector will make angle:

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10

A machine needs $500\text{ J}$ of energy to raise a $5\text{ kg}$ block at a distance of $3.0\text{ m}$. Find the **efficiency** of the machine.

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11

Which of the following devices is used to measure speed of liquid flow?

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11

Differentiate between **radian** and **steradians**. Show that number of steradians in sphere are equal to $4\pi\text{ Sr}$.

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12

A mass spring system is pulled slowly from mean position to ($x_o$) then the amount of work done will be:

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12

Describe **angular displacement** and **angular acceleration**. Express angular displacement in radian.

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13

Tuning of radio is the best example of:

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13

Briefly explain the equation $\tan \theta = \frac{v^2}{rg}$, relating **banking angle** '$\theta$' to speed '$v$' and radius of curvature '$r$'.

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14

If 332 waves pass through a medium in one second with speed of 332 m/s, then wavelength will be:

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14

Why do fog droplets appear to be suspended in air? Explain briefly.

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15

If pressure of air is increased two times then speed of sound in air will:

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15

What is the **moment of inertia** of a 50 kg sphere whose radius is 25 cm?

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16

Length of pipe is $10\text{ cm}$ (closed at one end). The maximum wavelength will be:

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16

A certain pipe has a cross-sectional area of $0.0002\text{ m}^2$ in which water is flowing at $5\text{ m/s}$. Find **flow rate**.

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17

Why is there **weightlessness** in artificial satellite? Explain briefly.

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18

In a ripple tank, 20 waves pass through a certain point in one second. If the wavelength of the wave is $4\text{ cm}$, then find the **speed of the wave**.

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19

How the amplitude of a forced oscillation changes with frequency near the natural frequency of the system. Describe graphically.

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20

How does the variation of pressure affect the speed of sound in air? Explain briefly.

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21

Briefly explain **Brewster's law** of polarization.

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22

Derive an expression for the work done by a thermodynamic system when its volume changes from $V_1$ to $V_2$ against a constant external pressure.

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23

Why do the systems tend to become **less orderly** over time? Explain briefly.

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24

Briefly explain **diffraction of x-rays** through crystals.

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25

How are **colour patterns** formed in interference of light through thin films? Explain briefly.

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26

Determine the two complementary angles at which the horizontal ranges of two projectiles become equal when velocity of projections and the acceleration due to gravity are kept cons…

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27

Briefly explain **adiabatic process** by using first law of thermodynamics.

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28

What is meant by **impulse**? How it can be related to momentum of body? Explain briefly.

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