NEET Physics: Wave Optics — MCQ Test 13

Q6. What is the intensity at a point in a double-slit experiment where the phase difference is \( 2\pi \), if the maximum intensity is \( 4I_0 \)?

Q7. What property of light waves explains why the frequency remains constant when light refracts into a denser medium?

Q8. What is the angular position of the first secondary maximum in a single-slit diffraction pattern if the slit width is \( 9.0 \, \mu\text{m} \) and the wavelength is \( 450 \, \text{nm} \)?

Q9. In a double-slit experiment, if \( \lambda = 580 \, \text{nm} \), \( d = 0.2 \, \text{mm} \), and \( D = 1.0 \, \text{m} \), what is the distance of the fourth bright fringe from the central maximum?

Q10. What explains the absence of a refracted ray when the angle of incidence exceeds the critical angle?

NEET Physics — Wave Optics

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What allows light to continue propagating as a transverse wave after passing through a polaroid?

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Physics preparation, focusing specifically on the chapter Wave Optics. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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Key concepts covered in this specific test include Continue, Propagating, Transverse, Polaroid, Intensity, and Experiment.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. What allows light to continue propagating as a transverse wave after passing through a polaroid?

  • A. Speed increase
  • B. Transverse nature
  • C. Frequency change
  • D. Amplitude reduction

Q2. What is the intensity at a point in a double-slit experiment where the path difference is \( 3\lambda/4 \), if the maximum intensity is \( 4I_0 \)?

  • A. \( I_0 \)
  • B. \( 0 \)
  • C. \( 2I_0 \)
  • D. \( 4I_0 \)

Q3. In a double-slit experiment, if \( \lambda = 520 \, \text{nm} \), \( d = 0.4 \, \text{mm} \), and \( D = 2.5 \, \text{m} \), what is the fringe width?

  • A. 3.25 mm
  • B. 2.6 mm
  • C. 4.0 mm
  • D. 1.3 mm

Q4. What explains the presence of a central bright fringe in a single-slit diffraction pattern?

  • A. Amplitude decrease
  • B. Frequency shift
  • C. Wavelength change
  • D. Constructive interference

Q5. What is the critical angle for light passing from a medium with refractive index 1.9 to air (refractive index 1.0)?

  • A. 36°
  • B. 31.8°
  • C. 32.7°
  • D. 37.3°

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