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1) What will be the effect on the horizontal range of a projectile when its initial speed is doubled keeping its angle of projection same. 2) Plot a graph between kinetic energy and potential energy for an elastic spring with displacement. Chemistry Which out of electron, proton, alpha particle has the maximum de Broglie wavelength provided they all have the same velocity?

1) What will be the effect on the horizontal range of a projectile when its initial speed is doubled keeping its angle of projection same.


2) Plot a graph between kinetic energy and potential energy for an elastic spring with displacement.


 


Chemistry


Which out of  electron, proton, alpha particle has the maximum de Broglie wavelength provided they all have the same velocity?

Grade:12

2 Answers

Harsh Peswani
10 Points
7 years ago

Range=v2sin2A/g

Now,

v is doubled and angle remain same

=(2V)2sin2A/g 

=4v2sin2a/g

so range will become double

Chemistry

1 AS wavelwngth=h/mv

so whose mass will be bigger so wavelength will be less

so less mass is of electron is less so wavelength will be more for electron

Mujahid Ahmed
42 Points
7 years ago

Range = u2sin 2θ / g 

If u is doubled, range becomes 4 times.

For graph, consult a book.

 

Chemistry - Wavelength = h/mv

thus, it''s inversely propertional to mass. Electron has least mass and thus maximum wavelength .

 

Approve if i helped ;)

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