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Wave Optics Physics - Wave Optics

Gujarat Board (GSEB) - STD 12 Science - Physics (GSEB - English Medium). 87 questions in this chapter.

Question types

Wave Optics question types

87 questions across 5 question groups — pick any mix to generate a Physics paper with step-by-step answer keys.

87
Questions
5
Question groups
5
Question types
Sample Questions

Wave Optics questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 22 Marks Questions2 Marks
Two identical phase connected waves, each of intensity $I _0$, are producing interference patterns. Write the value of the resultant intensity at the places of (i) constructive interference, (ii) destructive interference
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Q 13M.C.Q (1 Marks)1 Mark
The wavelength $\lambda$, frequency $v$, velocity $v$ and intensity I of a light ray transmitted in air respectively. If this ray enters water, then the values of these quantities become $\lambda^{\prime}, \nu^{\prime}, v^{\prime}$ and $I^{\prime}$ respectively. Which of the following relations is correct?
  • A
    $\lambda=\lambda^{\prime}$
  • ✓
    $v=v^{\prime}$
  • C
    $v=v$
  • D
    $I = I ^{\prime}$

Answer: B.

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Q 15M.C.Q (1 Marks)1 Mark
In case of linearly polarized light, the magnitude of the electric field vector :
  • A
    Does not change with time
  • ✓
    Changes periodically with time
  • C
    Increases or decreases linearly with time
  • D
    Is parallel to the direction of propagation

Answer: B.

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Q 16M.C.Q (1 Marks)1 Mark
The wavelength of light used in an optical instrument is $\lambda_1=4000 Å$ and $\lambda_2=5000 Å$. The ratio of their corresponding resolution powers will be :
  • A
    $16: 25$
  • B
    $9: 1$
  • C
    $4: 5$
  • ✓
    $5: 4$

Answer: D.

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