NEET / AIIMS · Practice Sheet 47

1. 1.

   Physics

   A constant force of 112 N moves an object 48 m in the direction of the force. Calculate the work done.

   Formula:Work Done

   $W = F\,d$

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2. 2.

   Physics

   A body moving at 6 m/s accelerates at 7 m/s² for 10 s. Find the distance travelled.

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

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

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3. 3.

   Biology

   In a monohybrid cross (Aa × Aa) producing 28 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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4. 4.

   Biology

   Calculate the BMI of a person weighing 94 kg with height 1.6 m.

   Formula:Body Mass Index

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

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5. 5.

   Chemistry

   43 mL of a 1 M solution is diluted to 319 mL. Find the new concentration.

   Formula:Dilution

   $M_1V_1 = M_2V_2$

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6. 6.

   Physics

   A constant force of 24 N moves an object 39 m in the direction of the force. Calculate the work done.

   Formula:Work Done

   $W = F\,d$

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7. 7.

   Biology

   Calculate the BMI of a person weighing 54 kg with height 1.53 m.

   Formula:Body Mass Index

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

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8. 8.

   Chemistry

   A solution is made by dissolving 48 g of solute in 176 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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9. 9.

   Physics

   Find the kinetic energy of a 2 kg object moving at 10 m/s.

   Formula:Kinetic Energy

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

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10. 10.

    Chemistry

    Find the pH of a solution with [H⁺] = 5×10⁻3 mol/L.

    Formula:pH of a Solution

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

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11. 11.

    Physics

    A constant force of 88 N moves an object 6 m in the direction of the force. Calculate the work done.

    Formula:Work Done

    $W = F\,d$

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12. 12.

    Physics

    A force of 626 N acts on an area of 11 m². Find the pressure.

    Formula:Pressure

    $P = \dfrac{F}{A}$

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13. 13.

    Physics

    Find the momentum of a 45 kg body moving at 38 m/s.

    Formula:Linear Momentum

    $p = mv$

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14. 14.

    Physics

    A force of 560 N acts on an area of 36 m². Find the pressure.

    Formula:Pressure

    $P = \dfrac{F}{A}$

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15. 15.

    Chemistry

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

    Formula:Molarity

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

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16. 16.

    Chemistry

    Find the pH of a solution with [H⁺] = 2×10⁻6 mol/L.

    Formula:pH of a Solution

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

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17. 17.

    Biology

    Under a microscope, an object of actual size 3.2 mm appears 288 mm. Find the magnification.

    Formula:Microscope Magnification

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

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18. 18.

    Physics

    Find the force required to accelerate a 47 kg mass at 16 m/s².

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

    $F = ma$

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19. 19.

    Biology

    Calculate the BMI of a person weighing 62 kg with height 1.9 m.

    Formula:Body Mass Index

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

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20. 20.

    Physics

    If 2,102 J of work is done in 19 s, find the power.

    Formula:Power

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

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