NEET / AIIMS · Practice Sheet 16

1. 1.

   Physics

   Find the voltage across a 41 Ω resistor carrying a current of 10 A.

   Formula:Ohm's Law

   $V = IR$

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2. 2.

   Physics

   If 1,897 J of work is done in 44 s, find the power.

   Formula:Power

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

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3. 3.

   Chemistry

   Find the pH of a solution with [H⁺] = 5×10⁻5 mol/L.

   Formula:pH of a Solution

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

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4. 4.

   Chemistry

   52 mL of a 5 M solution is diluted to 365 mL. Find the new concentration.

   Formula:Dilution

   $M_1V_1 = M_2V_2$

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5. 5.

   Physics

   Find the electrical power when 235 V drives a current of 20 A.

   Formula:Electrical Power

   $P = VI$

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6. 6.

   Physics

   Find the momentum of a 49 kg body moving at 13 m/s.

   Formula:Linear Momentum

   $p = mv$

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7. 7.

   Physics

   A constant force of 95 N moves an object 29 m in the direction of the force. Calculate the work done.

   Formula:Work Done

   $W = F\,d$

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8. 8.

   Physics

   Find the momentum of a 34 kg body moving at 33 m/s.

   Formula:Linear Momentum

   $p = mv$

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9. 9.

   Biology

   In a monohybrid cross (Aa × Aa) producing 64 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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10. 10.

    Chemistry

    How many moles are present in 720 g of glucose (C₆H₁₂O₆) (molar mass = 180 g/mol)?

    Formula:Number of Moles

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

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11. 11.

    Chemistry

    Find the molarity of a solution containing 1.5 mol of solute in 2.5 L of solution.

    Formula:Molarity

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

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12. 12.

    Chemistry

    94 mL of a 5 M solution is diluted to 426 mL. Find the new concentration.

    Formula:Dilution

    $M_1V_1 = M_2V_2$

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13. 13.

    Physics

    Find the momentum of a 35 kg body moving at 17 m/s.

    Formula:Linear Momentum

    $p = mv$

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14. 14.

    Biology

    Under a microscope, an object of actual size 1 mm appears 94 mm. Find the magnification.

    Formula:Microscope Magnification

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

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15. 15.

    Physics

    Find the momentum of a 1 kg body moving at 28 m/s.

    Formula:Linear Momentum

    $p = mv$

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16. 16.

    Chemistry

    Find the pH of a solution with [H⁺] = 5×10⁻4 mol/L.

    Formula:pH of a Solution

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

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17. 17.

    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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18. 18.

    Physics

    Find the electrical power when 19 V drives a current of 18 A.

    Formula:Electrical Power

    $P = VI$

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19. 19.

    Physics

    Find the momentum of a 30 kg body moving at 8 m/s.

    Formula:Linear Momentum

    $p = mv$

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20. 20.

    Physics

    A body moving at 0 m/s accelerates at 3 m/s² for 8 s. Find the distance travelled.

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

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

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