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In Young's double slit experiment, the two interfering sources are 0.5 nm apart. Using l = 500 nm, interference fringes are observed on a screen distant 1m. What is angular width of fring..

Question: Which one of the diseases is not communicable? 1. Typhoid 2. Leprosy 3. Measles 4. Leukemia Answer: ..

To construct a right angled D ABC when hypotenuse AC = 4 cm and hypotenuse and one acute angle are given (1) Draw a straight line AC = 4cm. (2) Taking OC as diameter, draw a semi circle on AC. (3) At A, construct meeting the semicircle at B. Join BC. (4) Then D ABC is ..

In Young's double slit experiment, the two interfering sources are 0.5 nm apart. Using l = 500 nm, interference fringes are observed on a screen distant 1m. What is angular width of fring..

Question: Biogas generation is mainly based on the principle of_______. 1. fermentation 2. degradation 3. putrification 4. both (a) and (b) Answer: 1..

Question: A man of mass 50 kg jumps to a height of 1 m. His potential energy at the highest point is (g = 10 m/s 2 ) 1. 50 J 2. 60 J 3. 500 J 4. 600 J Answer: 3..

Question: Gibberellins were discovered from ______________. 1. bacteria 2. fungi 3. algae 4. mosses Answer: ..

Question: Atomic mass of calcium is 40. The mass of 2.5 gram atoms of calcium is _______. 1. 40 g 2. 2.5 g 3. 100 g 4. 80 g Answer: 3..

Question: Lysosomes are reservoirs of ____. 1. fat 2. secretory glycoproteins 3. RNA 4. hydrolytic enzymes Answer: ..

Question: Which technique is used to separate a solid-solid mixture? 1. Sedimentation 2. Evaporation 3. Distillation 4. Sublimation Answer: ..