If a nucleus ᴢXᴬ emits 9α and 5β-particles, then the ratio of total protons and neutrons
If a nucleus ᴢXᴬ emits 9α and 5β-particles, then the ratio of total protons and neutrons in the final nucleus…
6 years ago
Questions
The respective speeds of the molecules are 1,2,3,4 and 5 km/s.
The respective speeds of the molecules are 1,2,3,4 and 5 km/s. The ratio of their r.m.s. velocity and the average…
6 years ago
A body undergoes no change in volume. Poisson’s ratio is
A body undergoes no change in volume. Poisson's ratio is Options (a) 0.5 (b) 0.05 (c) 0.25 (d) 2.5 Correct…
6 years ago
An ideal spring with spring constant K is hung from the ceiling and a block of mass
An ideal spring with spring constant K is hung from the ceiling and a block of mass M is attached…
6 years ago
A simple pendulum has a time period T₁ when on the earth’s surface and T₂ When taken
A simple pendulum has a time period T₁ when on the earth's surface and T₂ When taken to a height…
6 years ago
A circular disc of radius R and thickness R/6 has moment of inertia I about an axis
A circular disc of radius R and thickness R/6 has moment of inertia I about an axis passing through its…
6 years ago
A uniform rod of length l is placed with one end in contact with the horizontal
A uniform rod of length l is placed with one end in contact with the horizontal and is then inclined…
6 years ago
Two bullets are fired simultaneously, horizontally and with different speeds
Two bullets are fired simultaneously, horizontally and with different speeds from the same place. Which bullet will hit the ground…
6 years ago
A particle of mass m moves with constant speed along a circular path of radius r under
A particle of mass m moves with constant speed along a circular path of radius r under the action of…
6 years ago
An object is projected with a velocity of 20 m/s making an angle of 45⁰ with horizontal.
An object is projected with a velocity of 20 m/s making an angle of 45⁰ with horizontal. The equation for…
6 years ago