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For an electron if the uncertainty in velocity is Δv, the uncertainty in its position is given by ...
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If the uncertainty in position of an electron is zero, the uncertainty in its momentum would be ...
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A spring that has been stretched to hang a bag was forgotten with the bag hanging on it. 10 years later, someone realised that it was there and when he removed the bag, to his surprise the spring did not compress back!! Where ...
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The work done in time t on a body of mass m which accelerates from rest to velocity v in time T, as a function of time t is given by? ...
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In the previous problem, there is a sand stopper soon after the ramp to prevent accidents. The coefficient of friction of the sand is 1, How much distance will he travel before he stops! ...
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if in the previous problem, it is known that the slide ends horizontally and also that it was horizontal at the top. What is the horizontal distance travelled during the downward slide? ...
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In the previous problem, what is the speed that the man will have when he reaches the bottom of the slide? ...
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A man skids from the top of a slide to the bottom in 1 second. There is no friction. Nothing else is known! What is the height of the ramp? ...
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A mass(cuboid shaped) at the top of a cliff starts to slide down. It has velocity initially of 1m/s. The slope of the cliff is varying! But what is known is that the bottom of the cliff is 100 metres horizontally and 100 metr ...
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Two particles moving with same velocity have wavelengths as 8 nm & 56 nm, find the ratio of their masses ...
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A proton travels with velocity of v m/s. For an electron to have same de Broglie wavelength, the velocity will be approximately ...
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Two balls of same mass are moving with velocities 35 m/s & 105 m/s. find the ratio of their de Broglie wavelength ...
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Wavelength associated with electron motion ...
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Which of the following has largest de Broglie wavelength given that all have equal velocity ...
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If wavelength of photon is 2.2×10-10 m, h=6.6×10-34 Js, then momentum of photon is ...
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A 200 g cricket ball is thrown with a speed of 30 m/sec, what will be its de Broglie wavelength? ...
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Which is incorrect about de Broglie relationship? ...
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Which of the following represents de Broglie relation? ...
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The two electrons present in an orbital are distinguished by ...
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The designation of a subshell with n=4 & l=3 ...
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Magnetic quantum no. specifies ...
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The total no. of subshells in Nth shell is ...
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The angular momentum of an electron in an atomic orbital depends upon ...
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The quantum no. which specifies the location as well as energy is ...
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Akshay Kumar is taking a stunt for his new movie. He is catching a rope from a Helicopter 500m above the ground. The only force that is preventing him from falling is the friction between the rope and his hand. He weights 80k ...
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In this same setup above, if the maximum acceleration without slipping that is possible is when the force is 150N. What is the value of the coefficient of friction? ...
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In the previous question, what can be said about the minimum value of μ? (g=10) ...
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Two blocks are placed one over the other on the floor. The lower one has a mass of 10 kg and the upper one has a mass of 5 kg. The upper mass has a string tied to it. It is applied a force of 15N in the forward direction. The ...
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In the previous question, what can you say about the value of μ(the coefficient of friction?) ...
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In a Tollywood movie Rajnikant keeps the villain to the wall about 5 inches from the ground. He applies only a horizontal force. Assume that there is no vertical force that our Hero Rajnikant applies and horizontal force is o ...