b 17 model plane

Question: An object placed 2m from a plane mirror is shifted by 0.5 m away from the mirror. What is the distance between the object and its image? 1. 2 m 2. 1.5 m 3. 5 m 4. 3 m Answer: ..

In this chapter, we will consider motion in two dimensions taken to be the X-Y plane, for convenience. The figure shows a particle at time t moving along a curved path. Its position or displacement from the origin is measured by the vector , its velocity is indicated by the ve..

fig.12.1 - Space Models of 2-Butenes Note that the atoms are arranged in two different ways in I and II. The two CH 3 groups lie on the same side in I and on the opposite sides in II. When two similar atoms or groups lie on the same side, the isomerism is called cis isomerism a..

A plane has length and breadth. It has two dimensions. Any flat surface is a plane. In our study, we deal with figures drawn on plane surfac..

Question: Pyloric valve is present in the _____________. 1. heart 2. liver 3. stomach 4. intestine Answer: ..

Question: A solar cell is made up of ______. 1. silicon 2. titanium 3. magnesium 4. teflon Answer: ..

Question: The number of moles in 5 grams of calcium is _________. 1. 0.125 mole 2. 5 mole 3. 1.25 mole 4. 12.5 moles Answer: ..

Question: The physical quantity, which is equal to rate of change of momentum, is 1. displacement 2. acceleration 3. force 4. impulse Answer: ..

Question: The weight of an object of mass 15 kg at the centre of the earth is _____. 1. 147 N 2. 147 kg 3. zero 4. 150 N Answer: ..

Question: An example of a chemical change is _____. 1. formation of clouds 2. glowing of an electric light 3. dropping sodium into water 4. dissolving of salt in water Answer: ..