NEET / AIIMS · Practice Sheet 42

1. 1.

   Physics

   Find the voltage across a 39 Ω resistor carrying a current of 19 A.

   Formula:Ohm's Law

   $V = IR$

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2. 2.

   Biology

   In a monohybrid cross (Aa × Aa) producing 128 F₂ offspring, how many are expected to show the dominant and the recessive phenotype (3:1 ratio)?

   Formula:Monohybrid Cross (3:1)

   $\text{Dominant}:\text{Recessive} = 3:1$

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3. 3.

   Physics

   A body moving at 15 m/s accelerates at 4 m/s² for 4 s. Find the distance travelled.

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

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

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4. 4.

   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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5. 5.

   Physics

   Find the density of an object with mass 472 g and volume 3 cm³.

   Formula:Density

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

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6. 6.

   Quantitative Aptitude

   Two fair dice are rolled. What is the probability that the sum of the numbers is 5?

   Formula:Probability (two dice)

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

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7. 7.

   Physics

   Find the electrical power when 159 V drives a current of 7 A.

   Formula:Electrical Power

   $P = VI$

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8. 8.

   Physics

   If 2,415 J of work is done in 42 s, find the power.

   Formula:Power

   $P = \dfrac{W}{t}$

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9. 9.

   Physics

   Find the momentum of a 19 kg body moving at 38 m/s.

   Formula:Linear Momentum

   $p = mv$

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10. 10.

    Physics

    If 4,089 J of work is done in 44 s, find the power.

    Formula:Power

    $P = \dfrac{W}{t}$

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11. 11.

    Physics

    Find the force required to accelerate a 33 kg mass at 16 m/s².

    Formula:Newton's Second Law (F = ma)

    $F = ma$

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12. 12.

    Biology

    Calculate the BMI of a person weighing 83 kg with height 1.63 m.

    Formula:Body Mass Index

    $BMI = \dfrac{m}{h^{2}}$

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13. 13.

    Biology

    In a monohybrid cross (Aa × Aa) producing 96 F₂ offspring, how many are expected to show the dominant and the recessive phenotype (3:1 ratio)?

    Formula:Monohybrid Cross (3:1)

    $\text{Dominant}:\text{Recessive} = 3:1$

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14. 14.

    Physics

    Find the force required to accelerate a 50 kg mass at 3 m/s².

    Formula:Newton's Second Law (F = ma)

    $F = ma$

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15. 15.

    Quantitative Aptitude

    Two fair dice are rolled. What is the probability that the sum of the numbers is 10?

    Formula:Probability (two dice)

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

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16. 16.

    Physics

    Find the force required to accelerate a 37 kg mass at 2 m/s².

    Formula:Newton's Second Law (F = ma)

    $F = ma$

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17. 17.

    Chemistry

    How many moles are present in 146.25 g of sodium chloride (NaCl) (molar mass = 58.5 g/mol)?

    Formula:Number of Moles

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

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18. 18.

    Chemistry

    Find the pH of a solution with [H⁺] = 1×10⁻4 mol/L.

    Formula:pH of a Solution

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

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19. 19.

    Physics

    Calculate the potential energy of a 11 kg object at a height of 11 m (g = 9.8 m/s²).

    Formula:Gravitational Potential Energy

    $PE = mgh$

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20. 20.

    Chemistry

    Find the pressure of 1 mol of an ideal gas at 201 K in a 9 L container (R = 0.0821 L·atm·mol⁻¹·K⁻¹).

    Formula:Ideal Gas Law

    $PV = nRT$

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