Download App

Ray Optics — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsRay Optics1 Mark
MCQ
A ray passes through a prism of angle 60° in minimum deviation position and suffers a deviation of 30°. What is the angle of incidence on the prism
  • A
    30°
  • ✓
    45°
  • C
     60°
  • D
     90°
✓

Answer

Correct option: B.
45°
 45°

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Ray Optics→Ray Optics — all question types→Physics STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

Ultraviolet light of wavelength $300 \ nm$ and intensity $1.0 \ watt/m^2$ falls on the surface of a photosensitive material. If $1\%$ of the incident photons produce photoelectrons, then the number of photoelectrons emitted from an area of $1.0\  cm^2$ of the surface is nearly
→
The eye can be regarded as a single refracting surface. The radius of curvature of this surface is equal to that of cornea $(7.8\, mm)$. This surface separates two media of refractive indices $1$ and $1.34$. Calculate the distance from the refracting surface at which a parallel beam of light will come to focus.......$cm$
→
The lowest resistance which can be obtained by connecting 10 resistors each of 1/10 ohm is
→
Electric field in a region is uniform and is given by $\vec{E}=a \hat{i}+b \hat{j}+c \hat{k}$. Electric flux associated with a surface of area $\vec{A}=\pi R^2 \hat{i}$ is
→
The plot of the number $(N)$ of decayed atoms versus activity $(A)$ of a radioactive substance is
→
If two light waves having same frequency have intensity ratio 4 : 1 and they interfere, the ratio of maximum to minimum intensity in the pattern will be
→
In the Millikan's experiment, the distance between two horizontal plates is 2.5 cm and the potential difference applied is 250 V. The electric field between the plates will be
→
The sample of a radioactive substance has $10^6$ nuclei. Its half life is $20 \,s$. The number of nuclei that will be left after $10 \,s$ is nearly ...... $\times 10^5$
→
A source emits light of wavelength $4700Å, 5400 Å$ and $6500 Å.$ The light passes through red glass before being tested by a spectrometer. Which wavelength is seen in the spectrum.....$\mathop A\limits^o $
→
The mass equivalent of 931 MeV energy is
→