Question
Which plough helps cutting of creeping or spreading
grass and inversion?Solution
A disc plough can be forced to penetrate into the soil which is too hard and dry for working with a mouldboard plough. It works well in sticky soils in which a mouldboard plough does not scour.
Which instrument is used to measure the moisture content in the air?
A particle is fired with initial speed 30 m/s and lands back at same horizontal level. If its horizontal range is equal to 4.5 times the vertical height...
A body is projected upwards with an initial velocity u . At the highest point, what is its acceleration?
In a spring-block system executing SHM, at displacement x= A/2, the ratio of kinetic to potential energy is:
A charged particle oscillates about its mean equilibrium position with a frequency of 105 Hz. What is the frequency of the electromagnetic wa...
Which of the following is the energy quantum of radiation?
A 4 cm wire carrying a current of 15 A is placed inside a solenoid perpendicular to its axis. The magnetic field inside the solenoid is given to be 0.27...
An ant can see objects all around it due to the presence of which type of eyes?
The pitch of a sound is primarily determined by which of the following?
An electron in a hydrogen atom de-excites from the 4th to the 2nd level. The wavelength of emitted photon falls in which series?
