Describe the construction and working of a compound microscope. What factors affect its magnifying power?
What is total internal reflection? Explain the conditions under which it occurs and provide a real-life example.
List the electromagnetic spectrum in order of increasing frequency. What are some applications of ultraviolet radiation?
State Ampere’s circuital law. Use it to find the magnetic field inside a long, current-carrying solenoid.
Define electric potential at a point in an electric field. Derive the expression for the electric potential due to a point charge at a distance r.
Describe the principle of a parallel plate capacitor. How does the capacitance of a parallel plate capacitor change when the distance between the plates is halved?
xplain the concept of electric flux. How does electric flux through a closed surface change if the enclosed charge is doubled?
Scientific system of recording business transactions.
Incomplete system of recording business transactions.
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