Question
Which soil-forming process involves the removal of
silica and concentration of sesquioxides?Solution
Laterization occurs in tropical climates, leaching silica and enriching iron/aluminum oxides.
Which of the following is the ultimate source of energy?
The force that resists the motion of a body sliding over a surface is called:
Which of the following is NOT a vector quantity? Â
Which graph represents uniform motion?
The distance between the focus and the centre of curvature of a spherical mirror in terms of the radius of curvature R, is equal to:
A porter lifts luggage of 20 kg from the ground and puts it on his head 2 m above the ground. Calculate the work done by him on the luggage (take g = 10...
What is the principle behind the working of a transformer? Â
Which physical quantity remains constant during uniform circular motion? Â
A transformer has 1000 turns in the primary and 100 in the secondary coil. If input voltage is 220 V, output voltage is:
Which of the following is an example of longitudinal waves in a gas medium?
