KEAM 2026 Pharmacy April 18 Answer Key- Download PDF

KEAM Questions

• 1.

  A pure inductor of inductance \( 0.1 \, \text{H} \) is connected to an AC source (of rms voltage 220 V and angular frequency 300 Hz). The rms current is

  • \( \frac{3}{22} \, \text{A} \)
    
  • \( \frac{22}{3} \, \text{A} \)
    
  • \( \frac{11}{150} \, \text{A} \)
    
  • \( \frac{150}{11} \, \text{A} \)
    
  • \( \frac{22}{6\pi} \, \text{A} \)
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• 2.

  The number of electrons in one mole of methane (CH\(_4\)) is:

  • \( 6.023 \times 10^{23} \)
    
  • \( 60.23 \times 10^{23} \)
    
  • \( 0.6023 \times 10^{23} \)
    
  • \( 602.3 \times 10^{23} \)
    
  • \( 6023 \times 10^{23} \)
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• 3.

  No two electrons in an atom can have the same set of quantum numbers. This is known as:

  • Hund's rule
    
  • Pauli's exclusion principle
    
  • Aufbau principle
    
  • Heisenberg's principle
    
  • Fajan's rule
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• 4.

  A vehicle moving at 36 km/hr is to be stopped by applying brakes in the next 5 m. If the vehicle weighs 2000 kg, determine the average force that must be applied on it.

  • \( 10^4 \, \text{N} \)
    
  • \( 2 \times 10^4 \, \text{N} \)
    
  • \( 3 \times 10^4 \, \text{N} \)
    
  • \( 5 \times 10^3 \, \text{N} \)
    
  • \( 10^3 \, \text{N} \)
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• 5.

  The dimension of mutual inductance is (Denote dimension of current as A)

  • \( \text{ML}^2 \text{T}^2 \text{A}^{-2} \)
    
  • \( \text{ML}^2 \text{T}^{-2} \text{A}^{-2} \)
    
  • \( \text{ML}^{-2} \text{T}^2 \text{A}^{-2} \)
    
  • \( \text{ML}^2 \text{T}^{-3} \text{A}^{-3} \)
    
  • \( \text{ML}^2 \text{T}^{-3} \text{A}^{-2} \)
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• 6.

  An object having a velocity of 5 m/s is accelerated at the rate 2 m/s\(^2\) for 6s. Find the distance travelled during the period of acceleration.

  • 60 m
    
  • 25 m
    
  • 36 m
    
  • 66 m
    
  • 45 m
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