Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 11-science Answered

an electron beam is subjected to perpendicular electric and magnetic field of 5×10-4 and 3×10-3 respecticely if there is no deflection the velocity of electron is
question image
Asked by kumarianusuri89 | 24 Aug, 2020, 06:18: AM
answered-by-expert Expert Answer
F o r space e l e c t r o n space b e a m space t o space t o space s t r a i g h t space t h e space f o r c e space b y space e l e c t r i c space f i e l d space a n d space m a g n e t i c space f i e l d space m u s t space b e space e q u a l space t h a t space i s space e E equals e V B V equals E over B V equals fraction numerator 5 cross times 10 to the power of 4 over denominator 3 cross times 10 to the power of negative 3 end exponent end fraction V equals 1.67 cross times 10 to the power of 7 m divided by s
Answered by Utkarsh Lokhande | 24 Aug, 2020, 10:38: AM
Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 11-science - Physics
the question
question image
Asked by rajeshabirami27 | 07 May, 2024, 04:31: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Physics
A train starts from a station with a constant acceleration of 4 m/s2. Two seconds later another train passes the same station on the same line and in the same direction with a constant velocity. Find the velocity if the collision is first averted
Asked by yatin1043 | 06 May, 2024, 02:47: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Physics
1
question image
Asked by pc2091054 | 05 May, 2024, 10:43: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Physics
answer me
question image
Asked by sheikhsaadat24 | 17 Apr, 2024, 09:41: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Physics
.A SHM is expressed by the equation x = A cos (ωt + φ) and the phase angle φ =0. Draw graphs to show variation of displacement, velocity and acceleration for one complete curve in SHM.
Asked by sy123946 | 07 Apr, 2024, 04:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Physics
the dimension of stopping potential vo in photoelectric effect in units of plank's constant 'h',speed of light 'c' and gravitational constant 'G' and ampereA
Asked by derhebha955 | 03 Apr, 2024, 09:03: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Physics
In this que while solving it we take D F of alpha =D.F of beta.Why is it so?
question image
Asked by sumedhasingh238 | 29 Mar, 2024, 05:15: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Physics
In physics if 2 quantities are dimensionless then their dimensional formula are equal?
Asked by sumedhasingh238 | 28 Mar, 2024, 11:10: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Physics
7. State the relation between maximum range and maximum height of the projectile if the angle of projection is 45 deg
Asked by roshnibudhrani88 | 23 Mar, 2024, 05:52: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Physics
The second overtone of a pipe closed at one end has the same frequency as the third overtone of a pipe open at both ends. Compare the length of the pipes
Asked by emad.amd | 21 Mar, 2024, 12:00: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×