If the fourth-order maximum for pure-light falling on a double slit is at an angle of 20 degrees, What angle is the third-order maximum?

An ideal spring has a spring constant (force constant) of 2500 n/m, is stretched 4.0 cm, how much elastic potential energy does it possess? (a) 3j (b) 0.00j (c) 1j (d) 2j (e) 4j

Which type of microscope would allow the viewer to see ribosomes inside a cell?

He viscosities of several liquids are being compared. all the liquids are poured down a slope with equal path lengths. the liquid with the highest viscosity will