NEET Physics: Ray Optics — MCQ Test 12

Q6. In a concave mirror, when the object is placed at the center of curvature, where is the image formed?

Q7. A converging beam meets a convex lens (\( f = 10 \, \text{cm} \)) \( 5 \, \text{cm} \) before the convergence point. What is the new image distance?

Q8. A double convex lens of refractive index \( 1.55 \) has radii of curvature \( 22 \, \text{cm} \) and \( -22 \, \text{cm} \). What is its focal length?

Q9. An object of height \( 3 \, \text{cm} \) is placed \( 15 \, \text{cm} \) from a concave mirror of focal length \( 10 \, \text{cm} \). What is the height of the image?

Q10. An object is placed \( 16 \, \text{cm} \) from a convex mirror of focal length \( 24 \, \text{cm} \). What is the image distance?

NEET PhysicsRay Optics

Free MCQ Test 12 of 20

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In a compound microscope, what role does the eyepiece play in the final image formation?

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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 Ray 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 Compound, Microscope, Eyepiece, Formation, Effective, and Property.

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. In a compound microscope, what role does the eyepiece play in the final image formation?

  • A. Forms the initial real image
  • B. Inverts the image to make it erect
  • C. Reduces the image size
  • D. Magnifies the intermediate image

Q2. A convex lens (\( f = 40 \, \text{cm} \)) and a concave lens (\( f = 20 \, \text{cm} \)) are in contact. What is the effective focal length?

  • A. -30 cm
  • B. -35 cm
  • C. -40 cm
  • D. -45 cm

Q3. In a concave lens, what property of the lens determines the position of the virtual focal point?

  • A. Lens thickness
  • B. Object distance
  • C. Focal length
  • D. Angle of incidence

Q4. In a prism, when light is incident at a very small angle, what is the approximate relationship between deviation and the prism’s properties?

  • A. Deviation ≈ (n - 1) × prism angle
  • B. Deviation ≈ n × prism angle
  • C. Deviation ≈ prism angle / (n - 1)
  • D. Deviation ≈ n / prism angle

Q5. A ray of light passes from air (\( n = 1 \)) to glass (\( n = 1.62 \)) at an angle of incidence of \( 30^\circ \). What is the angle of refraction?

  • A. 18°
  • B. 20°
  • C. 25°
  • D. 30°

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