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Light is shined into a glass rod. To guarantee the total internal reflection (TIR) happens to all the possible rays, what is the minimum index of refraction n for the glass?
Hint: To make sure all rays TIR inside the rod, you just need to consider an extreme case, i.e., the incident angle q1 (on the top surface of glass rod) equals to 90o.
the centre of oscillation of a meter stick suspended about a transverse axis is located at the 10cm mark.Determine at what other positions could the meter stick be suspended and ha
uses of diode
Give a mathematical expression for linear width of principal maxima in case of single slit Fraunhofer diffraction.
1 Volt : Potential difference among two points will be 1 volt if 1 joule of work is needed to move a +ve charge of Coulumb from 1 point to another.
YES GRAVITY CAN BAND LIGHT e.g. GRAVITY OF BACK HOLE IS VERY STRONG
How theta between plane of the coil and magnetic field remains constant
GYROSCOPES: PRINCIPLES Gyroscopes are rotating masses (usually cylindrical in form) which are deliberately employed because of the particular properties which they demonst
pascal; Pa The derived SI unit of pressure explained as 1 N working over an area of 1 m 2 ; thus it has units of N/m 2
for small values of theta sine theta is equal to tan theta . how?
Ask questidefination and explanation of pesudo force on #Minimum 100 words accepted#
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