Download App

Ray Optics — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsRay Optics1 Mark
Question
A ray is reflected in turn by three plain mirrors mutually at right angles to each other. The angle between the incident and the reflected rays is (a) 90°(b) 60°(c) 180°   (d) None of these
       
✓

Answer

(c) 180°   

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→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

Assertion  :   The possibility of an electric bulb fusing is higher at the time of switching ON and OFF
Reason     : Inductive effects produce a surge at the time of switch ON and OFF(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.(c) If assertion is true but reason is false.(d) If the assertion and reason both are false.
 
 
 
 
→
As our eyes can not retrace the bent path of light, a stick, dipped in water, appears:
→
The critical angle of a medium with respect to air is 45°. The refractive index of medium is(a) 1.41   (b) 1.2(c) 1.5      (d) 2
       
→
Two bulbs of $500$ watt and $200$ watt are manufactured to operate on $220$ volt line. The ratio of heat produced in $500 \ce{W}$ and $200 \ce{W},$ in two cases, when firstly they are joined in parallel and secondly in series, will be
→
Characteristic of electromagnetic wave is shown by:
→
A $10^{\mu F}$ capacitor and a $20^{\mu F}$ capacitor are connected in series across a $200 V$ supply line. The charged capacitors are then disconnected from the line and reconnected with their positive plates together and negative plates together and no external voltage is applied. What is the potential difference across each capacitor
→
A charge moving with velocity v in X-direction is subjected to a field of magnetic induction in the negative X-direction. As a result, the charge will(a) Remain unaffected(b) Start moving in a circular path Y-Z plane(c) Retard along X-axis(d) Move along a helical path around X-axis
 
 
 
 
→
In which of the following systems will the radius of the first orbit (n = 1) be minimum(a) Single ionized helium(b) Deuterium atom(c) Hydrogen atom(d) Doubly ionized lithium
   
   
→
Rate of change of torque τ with deflection θ is maximum for a magnet suspended freely in a uniform magnetic field of induction B, when(a) θ = 0°(b) θ = 45°(c) θ = 60°(d) θ = 90°
       
→
An electron $($charge $q$ coulomb$)$ enters a magnetic field of $H$ weber $/ m ^2$ with a velocity of $vm / s$ in the same direction as that of the field the force on the electron is
→