a) Define the elastic modulus. Explain the different types of elastic modulus.
b) State and explain Einstein's Photoelectric Effect theory.
c) If 12𝑁 force is applied to a fluid of cross-section 5.34 𝑐𝑚2 with a shearing rate of 0.7 𝑠 −1 then find the viscosity of the fluid.
a) The elastic modulus is the characteristics of a solid within which the external force does not cause plastic deformations.
Young's modulus.
Shear (Rigidity) modulus
Bulk modulus.
b) Metals emit electrons when we shine light on them.
c) The viscosity:
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