spelling lesson 22

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

Red light of l = 650 nm from a distant source falls on a slit of 0.5 mm width. What is the distance between the two dark bands on each side of the central bright band of diffraction pattern observed on screen placed 1.8 m from the sli..

A compound has the following percentage composition: N = 35%, H = 5%, O = 60%. Its relative molecular mass = 80. Assuming it is an ammonium compound, derive its possible molecular formula. (N=14, H=1, O=1..

Red light of l = 650 nm from a distant source falls on a slit of 0.5 mm width. What is the distance between the two dark bands on each side of the central bright band of diffraction pattern observed on screen placed 1.8 m from the sli..

Question: The momentum of a toy bus of 0.01 kg moving with a velocity of 5 m/s is 1. 0.005 kg m/s 2. 0.05 kg m/s 3. 0.005 N s 4. 0.5 kg m/s Answer: ..

Question: What is the mass of an object whose weight on earth is 196 N? 1. 20 kg 2. 0.20 kg 3. 1960 kg 4. 2 kg Answer: ..

Question: km / h 2 is a unit of ________ . 1. velocity 2. speed 3. acceleration 4. distance Answer: ..

Question: Fluid part of blood after removal of corpuscles is ______________. 1. plasma 2. lymph 3. serum 4. vaccine Answer: ..

Question: The non-polar hydrocarbon group of a soap molecule _________. 1. repels water but attracts oil and dirt particles 2. does not attract oil or dirt 3. faces outward towards the water 4. has a -COO - Na + group Answer: ..

Question: Medulla oblongata is situated in ___________. 1. fore brain 2. mid brain 3. hind brain 4. partly in b and c each Answer: ..