NEET / AIIMS · Practice Sheet 5

1. 1.

   Physics

   Find the voltage across a 5 Ω resistor carrying a current of 19 A.

   Formula:Ohm's Law

   $V = IR$

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2. 2.

   Physics

   A constant force of 23 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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3. 3.

   Physics

   Calculate the potential energy of a 26 kg object at a height of 3 m (g = 9.8 m/s²).

   Formula:Gravitational Potential Energy

   $PE = mgh$

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4. 4.

   Quantitative Aptitude

   Two fair dice are rolled. What is the probability that the sum of the numbers is 9?

   Formula:Probability (two dice)

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

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5. 5.

   Biology

   In a population at Hardy–Weinberg equilibrium, the recessive allele frequency q = 0.2. 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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6. 6.

   Biology

   Calculate the BMI of a person weighing 71 kg with height 1.64 m.

   Formula:Body Mass Index

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

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7. 7.

   Physics

   Find the force required to accelerate a 47 kg mass at 5 m/s².

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

   $F = ma$

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8. 8.

   Physics

   Find the voltage across a 2 Ω resistor carrying a current of 13 A.

   Formula:Ohm's Law

   $V = IR$

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9. 9.

   Physics

   Find the electrical power when 112 V drives a current of 14 A.

   Formula:Electrical Power

   $P = VI$

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10. 10.

    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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11. 11.

    Physics

    Find the voltage across a 3 Ω resistor carrying a current of 18 A.

    Formula:Ohm's Law

    $V = IR$

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12. 12.

    Physics

    Find the momentum of a 50 kg body moving at 7 m/s.

    Formula:Linear Momentum

    $p = mv$

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13. 13.

    Chemistry

    How many moles are present in 117 g of sodium chloride (NaCl) (molar mass = 58.5 g/mol)?

    Formula:Number of Moles

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

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14. 14.

    Chemistry

    A solution is made by dissolving 19 g of solute in 82 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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15. 15.

    Physics

    Find the momentum of a 30 kg body moving at 34 m/s.

    Formula:Linear Momentum

    $p = mv$

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16. 16.

    Physics

    Find the kinetic energy of a 8 kg object moving at 4 m/s.

    Formula:Kinetic Energy

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

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17. 17.

    Physics

    A constant force of 92 N moves an object 44 m in the direction of the force. Calculate the work done.

    Formula:Work Done

    $W = F\,d$

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18. 18.

    Biology

    Calculate the BMI of a person weighing 84 kg with height 1.91 m.

    Formula:Body Mass Index

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

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19. 19.

    Physics

    An object starts at 15 m/s and accelerates at 5 m/s² for 10 s. Find its final velocity.

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

    $v = u + at$

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20. 20.

    Biology

    In a monohybrid cross (Aa × Aa) producing 160 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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