If incident ray, refracted ray and norma...

If incident ray, refracted ray and normal ray are represented by unit vectors `vec a, vec b ,and vec c` then relation between them is ?

`vecb=veca+2vecc`

`vecb=2veca+vecc`

`vecb=veca-2(veca.vecc)vecc`

`vecb=veca-vecc`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

JEE MAIN 2021
JEE MAINS PREVIOUS YEAR|Exercise SECTION-B|40 Videos
JEE MAIN 2021
JEE MAINS PREVIOUS YEAR|Exercise PHYSICS (SECTION-A)|20 Videos
JEE MAIN 2021
JEE MAINS PREVIOUS YEAR|Exercise PHYSICS SECTION B|30 Videos
JEE MAIN
JEE MAINS PREVIOUS YEAR|Exercise All Questions|473 Videos
JEE MAIN 2022
JEE MAINS PREVIOUS YEAR|Exercise Question|492 Videos

Similar Questions

Explore conceptually related problems

If vec a,vec b,vec c are mutually perpendicular unit vectors,find |2vec a+vec b+vec c|

If vec a and vec b are two vectors such that (vec a+vec b)vec a-vec b=0 find the relation between the magnitudes of vec a and vec b

If two vectors vec a,vec b are such that |vec a*vec b|=|vec a xxvec b| then angle between them is

If the incident ray on a surface is along the unit vector vec v ,the reflected ray is along the unit vector vec w and the normal is along the unit vector vec a outwards,express vec w in terms of vec a and vec v

If vec a,vec b, and vec c are non-zero vectors such that vec a.vec b=vec a*vec c, then find the geometrical relation between the vectors.

If vec a and vec b are unit vectors find the angle between vec a+vec b and vec a-vec b

The non-zero vectors vec a,vec b,vec c are related by vec a=8vec b and vec c=-7vec b then the angle between vec a&vec c

If vec a,vec b and vec c are three unit vectors such that vec a*vec b=vec a*vec c=0 and angle between vec b and vec c is (pi)/(6) prove that vec a=+-2(vec b xxvec c)

If vec a and vec b are unit vectors,and theta is the angle between them,then |vec a-vec b|=

JEE MAINS PREVIOUS YEAR-JEE MAIN 2021-SECTION-A

If 'C' and 'V' represent capacity and voltage respectively then what a...
Text Solution
|
The length of a metal wire is l(1) when the tension in it is T(1) and ...
Text Solution
|
An aeroplane with its wings spread 10 m is flying with speed 180 km/h ...
Text Solution
|
A tuning fork A of unknown frequency produces 5 beats/s with a fork of...
Text Solution
|
A particle executes SHM. Then the graph of velocity as a function of d...
Text Solution
|
The trajectory of a projectile in a vertical plane is y=ax-bx^(2), whe...
Text Solution
|
A cord is wound round the circumference of wheel of radius r. The axis...
Text Solution
|
The internal energy (U), pressure (P) and volume (V) of an ideal gas a...
Text Solution
|
Given below are two statements : one is labelled as Assertion A and th...
Text Solution
|
Given below are two statements : Statement I : An electric dipole i...
Text Solution
|
The recoil speed of a hydrogen atom after it emits a photon in going f...
Text Solution
|
Find the peak current and resonant frequency of the following circuit ...
Text Solution
|
An inclined plane making an angle of 30^(@) with the horizontal is pl...
Text Solution
|
Two masses A and B, each of mass M are fixed together by a massless sp...
Text Solution
|
Draw the output signal Y in the given combination of gates :-
Text Solution
|
A radioactive sample is undergoing alpha - decay. At time t1, its acti...
Text Solution
|
A scooter accelerates from rest for time t(1) at constant rate a(1) a...
Text Solution
|
Given below are two statements : Statement I : A second's pendulum ...
Text Solution
|
A wire of 1Omega has a length of 1m. It is stretched till its length ...
Text Solution
|
If incident ray, refracted ray and normal ray are represented by unit ...
Text Solution
|