NEET / AIIMS · Practice Sheet 33

1. 1.

   Physics

   Find the density of an object with mass 305 g and volume 26 cm³.

   Formula:Density

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

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2. 2.

   Physics

   Find the kinetic energy of a 13 kg object moving at 3 m/s.

   Formula:Kinetic Energy

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

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3. 3.

   Chemistry

   A solution is made by dissolving 36 g of solute in 156 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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4. 4.

   Physics

   Find the force required to accelerate a 34 kg mass at 16 m/s².

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

   $F = ma$

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5. 5.

   Physics

   A constant force of 86 N moves an object 24 m in the direction of the force. Calculate the work done.

   Formula:Work Done

   $W = F\,d$

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6. 6.

   Chemistry

   52 mL of a 5 M solution is diluted to 331 mL. Find the new concentration.

   Formula:Dilution

   $M_1V_1 = M_2V_2$

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7. 7.

   Physics

   Find the momentum of a 22 kg body moving at 35 m/s.

   Formula:Linear Momentum

   $p = mv$

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8. 8.

   Chemistry

   Find the molarity of a solution containing 3 mol of solute in 4 L of solution.

   Formula:Molarity

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

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9. 9.

   Chemistry

   A solution is made by dissolving 10 g of solute in 182 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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10. 10.

    Biology

    Under a microscope, an object of actual size 3.2 mm appears 156.8 mm. Find the magnification.

    Formula:Microscope Magnification

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

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11. 11.

    Physics

    A force of 568 N acts on an area of 12 m². Find the pressure.

    Formula:Pressure

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

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12. 12.

    Quantitative Aptitude

    A vehicle covers 94 km in 2 hours. Find its average speed.

    Formula:Speed, Distance & Time

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

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13. 13.

    Biology

    Under a microscope, an object of actual size 2 mm appears 24 mm. Find the magnification.

    Formula:Microscope Magnification

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

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14. 14.

    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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15. 15.

    Chemistry

    75 mL of a 5 M solution is diluted to 134 mL. Find the new concentration.

    Formula:Dilution

    $M_1V_1 = M_2V_2$

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16. 16.

    Chemistry

    Find the molarity of a solution containing 1 mol of solute in 0.5 L of solution.

    Formula:Molarity

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

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17. 17.

    Physics

    Find the kinetic energy of a 1 kg object moving at 26 m/s.

    Formula:Kinetic Energy

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

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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

    Find the momentum of a 10 kg body moving at 34 m/s.

    Formula:Linear Momentum

    $p = mv$

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20. 20.

    Physics

    Find the voltage across a 29 Ω resistor carrying a current of 4 A.

    Formula:Ohm's Law

    $V = IR$

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