| A | B |
| 1. Efficiency of heat engine $\eta=$ | (A) $\frac{\Delta P}{\Delta V}$ |
| 2. The slope of the adiabatic curve is greater than the isothermal curve | (B) Zero |
| 3. Value of W for isochoric process will be | (C) $\frac{ Q _2}{ Q _1- Q _2}$ |
| 4. The value of performance coefficient $\alpha$ of the refrigerant will be | (D) Equal to initial value |
| 5. The working fluid has internal energy after completing the Carnot cycle | (E) $\frac{ W }{ Q }$ |
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| 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. The direction of viscous force is the direction of liquid flow. | (A) Changed |
| 2. Viscosity coefficient also changes when the pressure of a fluid changes. | (B) $6 \pi \eta v_t r$ |
| 3. The value of the viscous force F = | (C) Constant (for the unit volume) |
| 4. Flow of liquid is stream- line then | (D) Opposite |
| 5. $\frac{ P }{\rho}+\frac{1}{2} V^2+g h=$ | (E) R = 2000 |
| A | B |
| 1. Any gas behave at high temperature and low pressure | (A) $\frac{89}{27 b^2}$ |
| 2. The value of $N_A$ will be | (B) $6.023 \times 10^{26}$ per kg mol. |
| 3. $P _{ C }=$ | (C) Like ideal gas |
| 4. $T _{ C }=$ | (D)$\frac{a}{27 b^2}$ |
| 5. In a container the mean free path of molecule is inversely proportional to | (E) Density |
| (I) | (II) |
| 1. For a circular path, if an object moves from A and comes back to A, what will be the value of displacement? | (A) displacement |
| 2. When a body moves in a straight line with a constant velocity in the same direction, then what will be the value of acceleration of the body? | (B) $\tan \theta$ |
| 3. In case of unequal velocity, the displacement and time diagram will have to be made in addition to the straight line. | (C) Zero |
| 4. In the velocity-time graph, the area between the curve and the time axis is equal to which quantity of the body? | (D) Zero |
| 5 Acceleration a = dv/dt = | (E) of any shape |
| A | B |
| 1. Elasticity coefficient of the material on increasing the temperature | A. $\frac{\Delta L }{ L }$ |
| 2. When a wire is compressed the potential energy of its molecules | B. $\frac{ FL }{ A \Delta L }$ |
| 3. Longitudinal strain | C. Decreasing |
| 4. Young's Modulus of elasticity | D. Increasing |
| 5. Why do we have to do work when we stretch a string? | E. Work has to be on done against inter- atomic forces. |
| (I) | (II) |
| 1. Acceleration a = dv/dt = | (A) $1: 3$ |
| 2. How to find the acceleration of a moving object? | (B) In one-dimensional motion when the direction of the body does not change |
| 3. If the mutual graph of two quantities is a straight line, then both the quantities are: | (C) By the slope of veloc- ity-time graph |
| 4. The ratio of the distances covered by a freely falling object in its first and second second is | (D) Directly Proportional |
| 5. In which position of the body, the value of displacement is equal to the distance travelled by the body? | (E)$\tan \theta$ |
| 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 |
| 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 |
| Column – A | Column - B |
| 1. Linear momentum $\overrightarrow{ P }=$ | (A) Newton, $M ^1 L^1 T^{-2}$ |
| 2. Having constant momentum $v \propto$ | (B) $m \stackrel{\rightharpoonup}{v}$ |
| 3. If $m _1< m _2$ then | (C) $\frac{t_2}{t_1}$ |
| 4. The unit and dimension of weight is | (D) $\vec{v}_1>\vec{v}_2$ |
| 5. $\frac{\overrightarrow{F_1}}{\overrightarrow{F_2}}$ | (E) $\frac{1}{m}$ |
| Column – A | Column - B |
| 1. Value of $\overrightarrow{ F }_{12}+\overrightarrow{ F }_{21}$ will be | (A) Less |
| 2. The gravitational force between two 1 kg balls can be expected because it is very_________ . | (B) Towards the sun |
| 3. Centripetal force is applied on the planets which has a direction | (C) In the form of a hyperbola |
| 4. There is a relationship between gravitational acceleration (g) and universal constant G | (D) Zero |
| 5. Potential energy changes | (E) $g=\frac{4}{3} \pi R GP$ |