Home
Class 12
PHYSICS
Suppose that the particle in Question 1...

Suppose that the particle in Question `1.33` is an electron projected with velocity `v_x =2.0 xx 10 ^(6) ms^(-1) ` .If E between the plates separated by 0.5 cm is `9.1 xx 10 ^(2) N//C ` , where will the electron strike the upper plate ? ` (|e| =1.6 xx 10^(-19) C, m_e =9.1 xx 10 ^(-31) kg ) `

Text Solution

Verified by Experts

For electron particle ` q=|e| =1.60 xx 10 ^(-19) C and ` mass of electron `m_e = 9.1 xx 10 ^(-31) kg. ` Makeover , it is given that `v_x =2.0 xx 10 ^(6) ms ^(-1) and E= 9.1 xx 10 ^(2) N//C `
Let after covering a distance L the electron strikes the upper plate after suffering a deflection `y=0.5 cm = 5xx 10 ^(-3) m. `Then from the relation
` " " y= (qEL^(2))/( 2mv_x^(2)) , ` we have
` L =v_x xx sqrt((2my)/(qE) ) =(2xx10^(6)) xx sqrt((2xx9.1 xx10^(-31)xx 5xx 10 ^(-3))/( 1.60 xx10 ^(-19)xx 9.1 xx 10 ^(2))) =1.58 xx 10 ^(-2) m = 1. 6 ` cm.
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CHARGES AND FIELDS

    U-LIKE SERIES|Exercise CASE BASED/ SOURCE -BASED INTEGRATED QUESTIONS|14 Videos

  • ELECTRIC CHARGES AND FIELDS

    U-LIKE SERIES|Exercise MULTIPLE CHOICE QUESTIONS|30 Videos

  • ELECTRIC CHARGES AND FIELDS

    U-LIKE SERIES|Exercise SELF ASSESSMENT TEST (SECTION-B) (VERY SHORT ANSWER QUESTIONS)|4 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    U-LIKE SERIES|Exercise SELF ASSESSMENT TEST SECTION-C (VERY SHORT ANSWER QUESTIONS)|3 Videos

  • ELECTROMAGNETIC WAVES

    U-LIKE SERIES|Exercise SELF ASSESSMENT TEST (SECTION C)|1 Videos

Similar Questions

Explore conceptually related problems

Calculate the gyro magnetic ratio of electron (given 1.6 xx10^(-19) C, m_r=9.1xx10^(-3) kg )

De - Broglie wavelength of an electron accelerated by a voltage of 50 V is close to (|e|=1.6xx10^(-19)C,m_(e)=9.1xx10^(-31))

The Velocity of electrons accelerated bt potential difference of 1xx10^(4) V (the charge of the electron is 1.6xx10^(-19) C and mass is 9.11xx10^(-31) kg) is

In a chamber, a uniform magnetic field of 6.5 G (1 G = 10^(-4)T) is maintained. An electron is shot into the field with a speed of 4.8 xx 10^(6) ms^(-1) normal to the field. Explain why the path of the electron is a circle. Determine the radius of the circular orbit. (e = 1.6 xx 10^(-19) C, m_(e) = 9.1 xx 10^(-31) kg) .

The kinetic energy of an electron is 5 eV . Calculate the de - Broglie wavelength associated with it ( h = 6.6 xx 10^(-34) Js , m_(e) = 9.1 xx 10^(-31) kg)