NEET / AIIMS · Practice Sheet 44

1. 1.

   Physics

   Find the momentum of a 49 kg body moving at 32 m/s.

   Formula:Linear Momentum

   $p = mv$

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2. 2.

   Quantitative Aptitude

   A vehicle covers 396 km in 6 hours. Find its average speed.

   Formula:Speed, Distance & Time

   $\text{Speed} = \dfrac{\text{Distance}}{\text{Time}}$

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3. 3.

   Chemistry

   How many moles are present in 250 g of calcium carbonate (CaCO₃) (molar mass = 100 g/mol)?

   Formula:Number of Moles

   $n = \dfrac{m}{M}$

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4. 4.

   Physics

   A body moving at 7 m/s accelerates at 2 m/s² for 2 s. Find the distance travelled.

   Formula:Equation of Motion (s = ut + ½at²)

   $s = ut + \tfrac{1}{2}at^{2}$

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5. 5.

   Physics

   A constant force of 69 N moves an object 10 m in the direction of the force. Calculate the work done.

   Formula:Work Done

   $W = F\,d$

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6. 6.

   Physics

   Find the momentum of a 34 kg body moving at 4 m/s.

   Formula:Linear Momentum

   $p = mv$

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7. 7.

   Biology

   Under a microscope, an object of actual size 1 mm appears 61 mm. Find the magnification.

   Formula:Microscope Magnification

   $M = \dfrac{\text{image size}}{\text{actual size}}$

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8. 8.

   Physics

   Find the electrical power when 220 V drives a current of 2 A.

   Formula:Electrical Power

   $P = VI$

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9. 9.

   Physics

   A constant force of 88 N moves an object 18 m in the direction of the force. Calculate the work done.

   Formula:Work Done

   $W = F\,d$

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10. 10.

    Physics

    Find the density of an object with mass 257 g and volume 34 cm³.

    Formula:Density

    $\rho = \dfrac{m}{V}$

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11. 11.

    Quantitative Aptitude

    Two fair dice are rolled. What is the probability that the sum of the numbers is 4?

    Formula:Probability (two dice)

    $P = \dfrac{\text{favourable}}{\text{total}}$

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12. 12.

    Physics

    An object starts at 3 m/s and accelerates at 8 m/s² for 6 s. Find its final velocity.

    Formula:Equation of Motion (v = u + at)

    $v = u + at$

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13. 13.

    Physics

    A constant force of 99 N moves an object 41 m in the direction of the force. Calculate the work done.

    Formula:Work Done

    $W = F\,d$

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14. 14.

    Physics

    Calculate the potential energy of a 10 kg object at a height of 29 m (g = 9.8 m/s²).

    Formula:Gravitational Potential Energy

    $PE = mgh$

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15. 15.

    Physics

    Find the kinetic energy of a 15 kg object moving at 5 m/s.

    Formula:Kinetic Energy

    $KE = \tfrac{1}{2}mv^{2}$

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16. 16.

    Chemistry

    Find the molarity of a solution containing 2 mol of solute in 0.5 L of solution.

    Formula:Molarity

    $M = \dfrac{n}{V}$

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17. 17.

    Chemistry

    A solution is made by dissolving 21 g of solute in 53 g of solvent. Find the mass percentage of the solute.

    Formula:Mass Percentage

    $\%\,\text{mass} = \dfrac{\text{solute}}{\text{solution}}\times 100$

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18. 18.

    Chemistry

    Find the molarity of a solution containing 2.5 mol of solute in 1 L of solution.

    Formula:Molarity

    $M = \dfrac{n}{V}$

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19. 19.

    Biology

    In a population at Hardy–Weinberg equilibrium, the recessive allele frequency q = 0.1. Find the dominant allele frequency p and the percentage of heterozygous carriers.

    Formula:Hardy–Weinberg Equilibrium

    $p + q = 1,\;\; 2pq = \text{carriers}$

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20. 20.

    Chemistry

    Find the pH of a solution with [H⁺] = 2×10⁻3 mol/L.

    Formula:pH of a Solution

    $pH = -\log_{10}[H^{+}]$

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