spelling lesson 23

Identify the word that spells 92. => Eighty-two or Forty-two or Seventy-two or Ninety-two..

What is the minimum aperture of the objective of a telescope, which will enable two neighboring stars to be seen separately? The angle subtended by the two stars at the objective of telescope is 3 x 10 - 6 radian. l = 546 n..

A compound has the following percentage composition: Mg = 9.76%, S= 13.01%, O = 71.54%, H = 5.69%. The relative molecular mass of the compound is 246. All the hydrogen present in it is in the form of water of crystallisation. Derive its molecular formula (Mg=24, O=16, S=32, H=..

What is the minimum aperture of the objective of a telescope, which will enable two neighboring stars to be seen separately? The angle subtended by the two stars at the objective of telescope is 3 x 10 - 6 radian. l = 546 n..

Question: The product of mass and velocity is known as ____________ . 1. acceleration 2. force 3. momentum 4. velocity Answer: ..

Question: The upward force acting on an object submerged in a liquid is ______. 1. thrust 2. buoyant force 3. pressure 4. force of friction Answer: ..

Question: The speed-time graph for a particle moving at constant speed is a straight-line ________ to the time axis. 1. parallel 2. perpendicular 3. aligned 4. inclined Answer: ..

Question: Sprain is caused by excessive pulling of _______________. 1. nerves 2. tendons 3. muscles 4. ligaments Answer: ..

Question: Micelles are_________. 1. soap molecules in clean water 2. drops of oil or dirt that surrounds the molecule 3. a tadpole shaped fatty acid 4. cluster of soap molecules surrounding the dirt particle Answer: ..

Question: The grey matter consists of ___________. 1. nerve cells 2. nerve cell bodies 3. nerve cell bodies and dendrites 4. nerve cell bodies, dendrites and axons Answer: ..