NEET / AIIMS · Practice Sheet 46

1. 1.

   Chemistry

   How many moles are present in 146.25 g of sodium chloride (NaCl) (molar mass = 58.5 g/mol)?

   Formula:Number of Moles

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

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2. 2.

   Physics

   A body moving at 13 m/s accelerates at 6 m/s² for 7 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.

   Physics

   A constant force of 110 N moves an object 47 m in the direction of the force. Calculate the work done.

   Formula:Work Done

   $W = F\,d$

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4. 4.

   Chemistry

   Find the molarity of a solution containing 1.5 mol of solute in 0.5 L of solution.

   Formula:Molarity

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

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5. 5.

   Physics

   If 1,177 J of work is done in 40 s, find the power.

   Formula:Power

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

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6. 6.

   Physics

   Find the voltage across a 43 Ω resistor carrying a current of 16 A.

   Formula:Ohm's Law

   $V = IR$

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7. 7.

   Physics

   If 2,815 J of work is done in 3 s, find the power.

   Formula:Power

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

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8. 8.

   Physics

   Find the voltage across a 9 Ω resistor carrying a current of 5 A.

   Formula:Ohm's Law

   $V = IR$

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9. 9.

   Physics

   Find the force required to accelerate a 4 kg mass at 6 m/s².

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

   $F = ma$

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10. 10.

    Chemistry

    Find the pH of a solution with [H⁺] = 2×10⁻3 mol/L.

    Formula:pH of a Solution

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

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11. 11.

    Chemistry

    How many moles are present in 250 g of calcium carbonate (CaCO₃) (molar mass = 100 g/mol)?

    Formula:Number of Moles

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

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12. 12.

    Physics

    A force of 860 N acts on an area of 3 m². Find the pressure.

    Formula:Pressure

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

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13. 13.

    Biology

    Calculate the BMI of a person weighing 95 kg with height 1.5 m.

    Formula:Body Mass Index

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

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14. 14.

    Quantitative Aptitude

    A vehicle covers 273 km in 7 hours. Find its average speed.

    Formula:Speed, Distance & Time

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

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15. 15.

    Physics

    A body moving at 8 m/s accelerates at 3 m/s² for 4 s. Find the distance travelled.

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

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

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16. 16.

    Physics

    A constant force of 27 N moves an object 16 m in the direction of the force. Calculate the work done.

    Formula:Work Done

    $W = F\,d$

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17. 17.

    Physics

    Calculate the potential energy of a 44 kg object at a height of 3 m (g = 9.8 m/s²).

    Formula:Gravitational Potential Energy

    $PE = mgh$

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18. 18.

    Chemistry

    10 mL of a 2 M solution is diluted to 398 mL. Find the new concentration.

    Formula:Dilution

    $M_1V_1 = M_2V_2$

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19. 19.

    Quantitative Aptitude

    A vehicle covers 301 km in 7 hours. Find its average speed.

    Formula:Speed, Distance & Time

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

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20. 20.

    Chemistry

    Find the molarity of a solution containing 2.5 mol of solute in 0.5 L of solution.

    Formula:Molarity

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

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