23 divided by 2

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..

Conservative force Non-conservative force If the work done by a force during a round trip of a system is always zero, the force is said to be conservative. Otherwise, it is non-conservativ..

Question: The products of a burning candle are ________. 1. ash and water vapour 2. CO 2 and water vapour 3. wax and water vapour 4. only melted wax Answer: 2..

Question: Which of the following is a mismatch? 1. Leprosy - Bacterial infection 2. AIDS - Bacterial infection 3. Malaria - Protozoan infection 4. Elephantiasis - Nematode infection Answer: 2..

Question: Diapedesis is shown by _______________. 1. RBC 2. WBC 3. platelets 4. a,b and c Answer: 2..

Question: The breathing roots are the __________. 1. rhizoids 2. stomata 3. pneumatophores 4. lenticels Answer: ..

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

Question: Which of these is a macro nutrient? 1. Copper 2. Iron 3. Chlorine 4. Magnesium Answer: ..

Question: Which of the following quantities is transferred during wave propagation? 1. Speed 2. Mass 3. Matter 4. Energy 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: ..