Recently Active Disucss Test Question Questions

Two particles moving with same velocity have wavelengths as 8 nm & 56 nm, find the ratio of their masses ...

A proton travels with velocity of v m/s. For an electron to have same de Broglie wavelength, the velocity will be approximately ...

Two balls of same mass are moving with velocities 35 m/s & 105 m/s. find the ratio of their de Broglie wavelength ...

Wavelength associated with electron motion ...

Which of the following has largest de Broglie wavelength given that all have equal velocity ...

If wavelength of photon is 2.2×10-10 m, h=6.6×10-34 Js, then momentum of photon is ...

A 200 g cricket ball is thrown with a speed of 30 m/sec, what will be its de Broglie wavelength? ...

Which is incorrect about de Broglie relationship? ...

Which of the following represents de Broglie relation? ...

The two electrons present in an orbital are distinguished by ...

The designation of a subshell with n=4 & l=3 ...

Magnetic quantum no. specifies ...

The total no. of subshells in Nth shell is ...

The angular momentum of an electron in an atomic orbital depends upon ...

The quantum no. which specifies the location as well as energy is ...

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 ...

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? ...

In the previous question, what can be said about the minimum value of μ? (g=10) ...

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 ...

In the previous question, what can you say about the value of μ(the coefficient of friction?) ...

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 ...

The engineer on a 100 km/hr fast train suddenly becomes aware that a slower train traveling 20 km/hr has pulled out on the main line. At this point a distance of 1/2 km separates them. With what deceleration must the engineer ...

A train travels at 50km/hr. towards a railways station 100km far. A watch train goes from the train to the station and back at 100km/hr till the train reaches the station. What ist the ratio of the distance travelled by the t ...

A man is travelling at 4m/s towards the east. The rain is falling vertically at 5m/s downwards. What is the velocity of the rain wrt the boy? ...

find the ratio of radius of first three Bohr orbits ...

When electrons revolve in stationery orbits ...

The ratio of the rate of diffusion of a given element to that of helium is 1.4. The molecular weight of the element is ...

50 volumes of H2 take 25 minutes to diffuse out of vessel. How long will 40 volumes of oxygen take to diffuse out from the same vessel under similar conditions? ...

let the time taken by Helium in diffusing vol. V be t. What time will methane take in diffusing same volume? ...

Volume of oxygen diffused in time t is V. What will be the volume of hydrogen diffused in same time? ...