The velocity associated with a proton moving in a potential difference of 1000V is 4.37 x 10 5 ms -1 . If the hockey ball of mass 0.1 kg is moving with this velocity, calculate the wavelength associated with this velocity. - Wired Faculty

Structure Of Atom

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The velocity associated with a proton moving in a potential difference of 1000V is 4.37 x 10⁵ ms^-1. If the hockey ball of mass 0.1 kg is moving with this velocity, calculate the wavelength associated with this velocity.

Solution

According to de-Broglie equation

space space space space straight lambda space equals space straight h over mv space space space space space space... left parenthesis 1 right parenthesis

space space space space space Here space straight h equals 6.626 space cross times 10 to the power of negative 34 end exponent kg space straight m squared straight s to the power of negative 1 end exponent space space space space space space space straight m equals space space 0.1 space kg semicolon space straight v space equals space 4.37 space cross times space 10 to the power of 5 ms to the power of negative 1 end exponent Substituting space the space values space in space equation left parenthesis 1 right parenthesis comma space we space have straight lambda space equals fraction numerator 6.626 space cross times space 10 to the power of negative 34 end exponent kg space straight m squared straight s to the power of negative 1 end exponent over denominator left parenthesis 0.1 space kg right parenthesis cross times left parenthesis 4.37 space cross times 10 to the power of 5 space ms to the power of negative 1 end exponent right parenthesis end fraction space space space equals 1.516 space cross times 10 to the power of negative 28 end exponent straight m

Some More Questions From Structure of Atom Chapter

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Structure Of Atom

The velocity associated with a proton moving in a potential difference of 1000V is 4.37 x 10⁵ ms^-1. If the hockey ball of mass 0.1 kg is moving with this velocity, calculate the wavelength associated with this velocity.

Some More Questions From Structure of Atom Chapter

Who discovered neutron?

What is a neutron?

What is the name of the remaining part of atom except outer orbit?

Name the particles which determine the mass of an element.

What are α-particles?

Why were neutrons discovered very late?

What are the fundamental particles present in a neutral atom having atomic number greater than 1?

Do protons and neutrons have identical mass?

When α-particles are sent through a thin metal foil, most of them go straight through the foil. What inference do you draw from it?

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For Daily Free Study Material Join wiredfaculty

Structure Of Atom

The velocity associated with a proton moving in a potential difference of 1000V is 4.37 x 105 ms-1. If the hockey ball of mass 0.1 kg is moving with this velocity, calculate the wavelength associated with this velocity.

Some More Questions From Structure of Atom Chapter

Who discovered neutron?

What is a neutron?

What is the name of the remaining part of atom except outer orbit?

Name the particles which determine the mass of an element.

What are α-particles?

Why were neutrons discovered very late?

What are the fundamental particles present in a neutral atom having atomic number greater than 1?

Do protons and neutrons have identical mass?

When α-particles are sent through a thin metal foil, most of them go straight through the foil. What inference do you draw from it?

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

The velocity associated with a proton moving in a potential difference of 1000V is 4.37 x 10⁵ ms^-1. If the hockey ball of mass 0.1 kg is moving with this velocity, calculate the wavelength associated with this velocity.