What conclusion can be drawn from red shift?

Experimental observations have shown that X-rays exhibit the phenomenon of diffraction and can be polarised.What conclusion can be drawn about the nature of X-rays from this observation?

Experimental observations have shown that X-rays travel in vacuum with a speed of 3 xx 10^8 m s^(-1) . What conclusion can be drawn about the nature of X-rays from this observation?

What conclusion can you draw from the following observations on a resistor made of alloy manganin? :

Which of the following conclusions can eb drawn from the result oint vecB.vec(dA) = 0

What conclusions are drawn from Rutherford’s experiment on the scattering of a-particles from a thin gold foil ?

What conclusion would you draw from the following graphs for an ideal gas?

What is red shift?

Does Lagrange's mean value theorem apply to f(x) = x^(1//3), - 1 le x le 1 . What conclusions can be drawn?