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20.
In Young's double slit experiment, the intensity at a point is 75% of maximum intensity. What is the smallest distance of this point from the central fringe? Given d = 0.1mm, D = 1m and l = 600 n..
A cricket player made runs 94, 103, 98, 110, 106 and 101 in six one-da..
A cricket player made runs 94, 103, 98, 110, 106 and 101 in six one-day matches. Find the variance in runs. => 17 or 27 or 43 or 0..
The ages of 5 players participating in a tennis match are 24, 21, 19..
The ages of 5 players participating in a tennis match are 24, 21, 19, 20, and 25 years. Find the median age of the participants. => 21 years or 22.5 years or 25 years or 19 years..
Question 20
Question: The number of molecules in 4.25 g of ammonia is approximately 1. 1.0 x 10 23 2. 1.5 x 10 23 3. 2.0 x 10 23 4. 3.5 x 10 23 Answer: ..
Example: 20
A compound was found to have the following percentage composition: Nitrogen = 21.21%, Hydrogen= 6.06%, Sulphur = 24.24% and Oxygen = 48.48% (N=14, H=1, S=32, O=16). Find its empirical formu..
Numerical - 20
In Young's double slit experiment, the intensity at a point is 75% of maximum intensity. What is the smallest distance of this point from the central fringe? Given d = 0.1mm, D = 1m and l = 600 n..
Question 20
Question: Impulse = _________. 1. 2. 3. 4. Answer: ..
Question: Impulse = _________. 1. 2. 3. 4. Answer: ..Question 20
Question: 100 kg.wt=________ . 1. 980 N 2. 9.800 N 3. 1000 N 4. 0.98 N Answer: ..
Question 20
Question: Tyndall Effect in colloids is due to _________. 1. dispersion of light 2. merging of light rays 3. scattering of light 4. convergence of light rays Answer: ..
Question 20
Question: The technique used by bats to find their way or to locate food is _______. 1. SONAR 2. RADAR 3. Echolocation 4. Flapping Answer: ..
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