Question
Molya disease of wheat is caused by _________
nematode.Solution
Molya disease of wheat is caused by the cyst nematode, Heterodera avenae.
A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F. because the method involves:
The time period of a second’s pendulum is –
In an atom, which particles are responsible for chemical bonding?
Which physical quantity is conserved in a collision (in the absence of external forces)?
A train approaches a stationary observer with a speed of 36 km/h. It emits a sound of frequency 500 Hz. If the speed of sound is 340 m/s, what is the ap...
A projectile is fired at an angle θ and reaches maximum height
H and range R. The angle between velocity and acceleration at the highest poin...
The current across the 3 ohm resistance in the given circuit is:
A toroid has a core (non-ferromagnetic) of inner radius 23 cm and outer radius 28 cm, around which 4000 turns of a wire are wound. If the current in th...
A non-conducting sphere of radius R has a radially varying charge density ρ(r) = k•r. Find the electric field at a distance r < R.
The rate of transfer of charges through a circuit is called?
