The mass of cathode ray particle is (1) Same for different gases. (2)different for different gases (3) Minimum for H2 gas. (4) different for same gases
List all the elements of each of the sets given below:
an object with mass 5 kg moves at a constant velocity of 8 m/s. a constant force then acts for 6 seconds on the object giving it a speed on the object giving it a speed of 4 m/s in opposite direction. the acceleration produced is?
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An particle approaches the target nucleus of copper (Z = 29) in such a way that the value of impact parameter is zero. The distance of closest approach will be
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what will be the energy of photon having wavelength equal to 200 picometer
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If a particle moves from P (2,3,5) to Q(3,4,5), then what will be the displacement vector?
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Write down all the subsets of the following sets c. {3,4,{5,6}}
If a=i+j+k and b=-2i+4j-2k find the angle between a and b
Someone Pls solve- Integral question
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Two vectors having equal magnitude A and making an angle theta with each other. What will be the magnitude and direction of the resultant?
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The area of the parallelogram determined by A = 2i+j-3k and B 12j-2K is approximately: a. 43 b. 56 c.38 d.74
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The angle between A+B and A-B will be a. 900 b. between 0 and 1800 c.180 only d.None of these.
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If |A| =2, |B|=5 and |AXB|=8 and if angle between A and B is acute, then A.B is: a. 6 b.3 c.4 d.7
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If A and B are two vectors such that |A+B| = 2|A-B|, the angle between A and B is: a. 45 b. 60 c. 30 d. data insufficient.
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A vector P = 3i-2j+ak is perpendicular to the vector Q=2i +j-k, The value of a is: a. 2 b.1 c.4 d.3
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If A and B are two vectors such that |A+B| = 2|A-B|, the angle between A and B is: a. 450 b. 600 c. 300 d. data insufficient.
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The work done by a Force F = (i +2j +3k) N, to displace a body from position A with position vector r1 = (i+3j+k)m to position B with position vector r2 = (2i +2j +3k)m is a. 5J b. 3J c.2J d.10J
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Calculate the speed of a wave having wavelength of 200 nm and frequency of 100 MHz. (1) 2 m/s (3) 20 m/s (2) 20000 m/s (4) 200 m/s
Bohr model question..Plz answer