cuz it does
no
yes
Isaac Newton proposed that light consisted of particles that travel in straight lines through space.
the travel in straight lines because of the atomsphe
Earthquake P-waves don't travel in straight lines, they travel in like a circle after the earthquake has struck. These P-waves arrive first during an earthquake.
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Heat does not necessarily travel in straight lines due to the influence of various factors, including the medium through which it is transferring and the presence of obstacles. Convection currents in fluids can cause heat to move in circular patterns, while conduction can be affected by the material's structure. Additionally, radiation can be absorbed, reflected, or refracted by different surfaces, altering its path. These interactions create complex heat transfer patterns rather than linear trajectories.
The phenomenon where light waves travel in straight lines is called rectilinear propagation. This means that light travels in a straight path unless it encounters a medium that causes it to change direction.
Photons leaving the Sun travel through the vacuum of space at the speed of light in straight lines. They carry energy and heat and can travel vast distances before they are absorbed or scattered by other particles in space.
Light rays travel in straight lines due to the principle of the shortest path, known as Fermat's principle. Light travels along the path that minimizes the time it takes to travel from one point to another. This results in light rays following straight lines in a uniform medium.
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The magnetic lines are always circular & emerging from north & entering in the south pole of magnet outside it. they are never straight.