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Physics
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Can you explain the difference between a real and a virtual image?

The ways in which these two things are experienced in real life is very different - you see a virtual image when you look through a lens or at a mirror, because light is coming at you as if it were coming...

DG
Answered by Dan G. Physics tutor
5924 Views

What led to the Plum Pudding model being replaced by Rutherford's nuclear model of the atom? (6 marks)

The Plum Pudding model states that charge and mass is spread throughout the atom. An idea that electrons are spread within a mass of positive charge.Rutherford carried out an experiment where he fired hig...

RP
Answered by Rachna P. Physics tutor
23030 Views

What is the quark composition of a proton?

UUD, 2 up quarks and 1 down quark

SK
Answered by Shivani K. Physics tutor
2009 Views

A baseball player strikes a ball with an initial velocity of 43ms^-1 at an angle of 32° to the horizontal. How far does the ball travel horizontally in 4 seconds?

Since the Initial velocity has a direction that is 32° to the horizontal we can split the velocity into it's components. The horizontal component of the velocity is vx = 43cos(32) (m/s). Since ...

JL
Answered by Jack L. Physics tutor
2000 Views

What is thermionic emission?

Thermionic emission is the process by which electrons are emitted by a metal as a result of the heating of the metal. The electrons which are emitted are all from the sea of free electrons which bond the ...

NS
Answered by Noah S. Physics tutor
3088 Views

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