| Column - A | Column - B |
| 1. The value of 1 amu is | (A) Radioactive dating |
| 2. Which is most accurate watch? | (B) $10^{-9}$ |
| 3. Which is the method of determining the age of rocks? | (C) $1.66 \times 10^{-2} / kg$ |
| 4. How many nanoseconds are there in 1 second? | (D) $M ^1 L^2 T^{-2}$ |
| 5. Dimension of angular momentum | (E) Cesium |
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| A | B |
| 1. When both waves are superimposed in the opposite phase at any place then the value of resultant amplitude and intensity | (A) Minimum |
| 2. In interference there is a phase difference at some point of the medium | (B) Fix |
| 3. In beats there is a phase difference between the waves at any point in the medium | (C) 1:3:5 |
| 4. The frequency of vibrations produced in a close organ pipe are in the ratio | (D) 1:2:3 |
| 5. Generated in open organ pipe there is a ratio of frequency of vibrations | (E) Changes |
| A | B |
| 1. When both waves are superimposed in the opposite phase at any place then the value of resultant amplitude and intensity | (a) Fix |
| 2. In interference there is a phase difference at some point of the medium | (b) $1:3:5$ |
| 3. In beats there is a phase difference between the waves at any point in the medium | (c) $1:2:3$ |
| 4. The frequency of vibrations produced in a close organ pipe are in the ratio | (d) Changes |
| 5. Generated in open organ pipe there is a ratio of frequency of vibrations | (e) Minimum |
| A | B |
| 1. An example of non periodic motion is : | (A). Different equation of linear simple harmonic motion |
| 2. An example of harmonic motion is : | (B) Movement of electrons in the orbital of atom |
| 3. There is relation between frequency and period. | (C) $\frac{2 \pi}{\omega}$ |
| 4. $\frac{d^2 y}{d t^2}+\omega^2 y=0$ | (D) nT = 1 |
| 5. Time period T = | (E) Throwing the ball |
| A | B |
| 1. The value of coefficient of linear expansion $\alpha$ is equal to | (A) Nature of matter |
| 2. The value of coefficient of areal expansion $\beta$ is equal | (B) Less |
| 3. How many times is the coefficient of volume expansion of a substance its coefficient of linear expansion? | (C) $\frac{\Delta L }{ L \times \Delta T }$ |
| 4. What does specific heat capacity depend on? | (D) $\beta=\frac{\Delta A}{A \times \Delta T}$ |
| 5. The greater the mass of the radiating body, the greater the rate of cooling. | (E) $\gamma=3 a$ |
| Column A | Column B |
| 1.Why do we have to do work when we stretch a string? | A. $\frac{ Y _2}{ Y _1}$ |
| 2.Elasticity coefficient | B. Work has to be on done against inter- atomic forces. |
| 3. $\frac{l_1}{l_2}$ | C. Equal |
| 4. Bulk moduls of elasticity (H) Equal (K) $=$ | D. $\frac{\text { Change in pressure }}{\text { Volume strain }}$ |
| 5. The stress produced when equal weight is applied wires of equal cross-section. | E. $\frac{\text { Stress }}{\text { Strain }}$ |
| A | B |
| 1. A thermos bottle filled with tea is shaken vigorously in the internal energy of the system | (A) dQ = 0 |
| 2. In adiabatic compression of the body increases | (B) will increase |
| 3. For isothermal operation of the engine | (C) heat |
| 4. Work done in isothermal process | (D) $T _1= T _2$ |
| 5. In adiabatic change of gas specific heat value happens zero because | (E)$\begin{array}{l} 2.303 P _1 V_1 \log 10 \frac{V_2}{V_1}\end{array}$ |
| Column - A | Column - B |
| 1. The wheels of moving vehicles are made hollow in the middle and thick on the periphery because: | (A) $g \sin \theta$ |
| 2. When an object slides on a plane inclined at an angle of 0 to the horizontal, its accele- ration will be: | (B) An object with low moment of inertia |
| 3. What is the moment of inertia of a body relative to the axis passing through its center of mass? | (C) Mass remains the same but inertia increases. |
| 4. If two objects with unequal moment of inertia have the same angular momentum. then which object will have greater rotational kinetic energy? | (D) on mass |
| 5. Inertia only depends | (E) Minimum |
| Column - A | Column - B |
| 1. The value of centripetal acceleration | (A) $|\overrightarrow{ A }|=$ |
| 2. $\overrightarrow{A}=A_x \hat{i}+A_y \hat{j}+A_z \hat{k}$ the magnitude of $|\overrightarrow{ A }|$ will be : | (B) $H _{\max }=\frac{1}{4} R _{\max }$ |
| 3. Instantaneous acceleration $\vec{a}=$ | (C) Tangential |
| 4. What is the relationship between maximum height and maximum range. | (D) $\frac{d v}{d t}$ |
| 5. The velocity vector is always in the path of motion | (E) $\frac{ V ^2}{ R }$ |
| Column - A | Column – B |
| 1. $\hat{i} \cdot \hat{j}=\hat{j} \cdot \hat{k}=\hat{k} \cdot \hat{i}=$ | (A) 1 |
| 2. $|\hat{i}|=|\hat{j}|=|\hat{k}|$ | (B) Proportional |
| 3. $(3 \hat{i}+4 \hat{j}-5 \hat{k})$. $(5 \hat{i}+4 \hat{j}+3 \hat{k})=$ | (C) 0(ZERO) |
| 4. Work done by the force acting perpendicular to the displacement is always | (D) 16 |
| 5. Work done (w) and heat generated (H) on a system are mutual | (E) Zero |
| A | B |
| 1. Dalton's Partial Pressure law | (A) $\frac{2}{3}$ |
| 2. PV = | (B) Excessive |
| 3. The part of mean K.E of unit volume gas isequal to | (C) $\begin{array}{l} P = P _1+ P _2+ P _3+\ldots\end{array}$ |
| 4. The value of KE. due to r.m.s. velocity is zero | (D) $\frac{1}{3} MC _{r m s}^2$ |
| 5. The gas that's density ( $\rho$ ) become less than value of $C _{ rms }$ | (E) zero |