NEET / AIIMS · Practice Sheet 40

1. 1.

   Physics

   Find the density of an object with mass 161 g and volume 32 cm³.

   Formula:Density

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

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2. 2.

   Physics

   Find the kinetic energy of a 17 kg object moving at 4 m/s.

   Formula:Kinetic Energy

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

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3. 3.

   Chemistry

   57 mL of a 2 M solution is diluted to 421 mL. Find the new concentration.

   Formula:Dilution

   $M_1V_1 = M_2V_2$

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4. 4.

   Physics

   Find the force required to accelerate a 6 kg mass at 18 m/s².

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

   $F = ma$

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5. 5.

   Physics

   Calculate the potential energy of a 12 kg object at a height of 16 m (g = 9.8 m/s²).

   Formula:Gravitational Potential Energy

   $PE = mgh$

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6. 6.

   Biology

   Under a microscope, an object of actual size 2.7 mm appears 83.7 mm. Find the magnification.

   Formula:Microscope Magnification

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

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7. 7.

   Physics

   Find the density of an object with mass 429 g and volume 6 cm³.

   Formula:Density

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

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8. 8.

   Chemistry

   78 mL of a 1 M solution is diluted to 461 mL. Find the new concentration.

   Formula:Dilution

   $M_1V_1 = M_2V_2$

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9. 9.

   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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10. 10.

    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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11. 11.

    Chemistry

    60 mL of a 2 M solution is diluted to 323 mL. Find the new concentration.

    Formula:Dilution

    $M_1V_1 = M_2V_2$

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12. 12.

    Physics

    A body moving at 2 m/s accelerates at 1 m/s² for 3 s. Find the distance travelled.

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

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

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13. 13.

    Biology

    Under a microscope, an object of actual size 3.8 mm appears 247 mm. Find the magnification.

    Formula:Microscope Magnification

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

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14. 14.

    Chemistry

    How many moles are present in 500 g of calcium carbonate (CaCO₃) (molar mass = 100 g/mol)?

    Formula:Number of Moles

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

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15. 15.

    Biology

    Under a microscope, an object of actual size 2.2 mm appears 59.4 mm. Find the magnification.

    Formula:Microscope Magnification

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

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16. 16.

    Chemistry

    40 mL of a 2 M solution is diluted to 431 mL. Find the new concentration.

    Formula:Dilution

    $M_1V_1 = M_2V_2$

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17. 17.

    Physics

    If 2,452 J of work is done in 27 s, find the power.

    Formula:Power

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

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18. 18.

    Chemistry

    A solution is made by dissolving 5 g of solute in 115 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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19. 19.

    Physics

    Find the electrical power when 153 V drives a current of 1 A.

    Formula:Electrical Power

    $P = VI$

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20. 20.

    Physics

    Find the momentum of a 7 kg body moving at 33 m/s.

    Formula:Linear Momentum

    $p = mv$

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