Which friction is grater, statical or dynamical ?
Give one advantage of a scanning electron microscope over a transmission electron microscope?
What is the cause of brownian motion?
Explain the steps to the scientific notation?
What is the proper formula used to calculate acceleration?
What is a galvanometer?
What is Suspension ?
Explain what happens when you travel across the dateline?
What are the characteristics of a musical sound?
Why objects having inverted in the air ate seen in very cold regions ?
When a bicycle is in motion, the force of friction exerted by the ground on the two wheels is such that it acts a) In the backward direction on the front wheel and in the forward direction on the rear wheel. (b) In the forward direction on the front wheel and in the backward direction on the rear wheel. (c) In the backward direction on both the front and rear wheels. (d) In the backward direction on both the front and rear wheels.
What is a Coal ?
Explain the Optical Medium ?