Question
Identify the diagram that best represents the
relationship among the classes given below: Males, Brothers, and Doctors.Solution
All Brothers are Males. Some Brothers are Doctors. Some Doctors are Males.
Which of the following solutions will not change the colour of blue litmus paper to red?
1. Acid solution
2. Base solution
3. Com...
A 5 V battery of negligible internal resistance is connected across a 190 V battery and a resistance of 37 Ω as shown in the figure. Find the value of...
A rocket with a lift-off mass 10,000 kg is blasted upwards with an initial acceleration of 5.0 m s–2. Calculate the initial thrust (force) ...
The arrangement of leaves on stems or its branches is
Which of the following is the best conductor of electricity?
A positively charged particle enters a uniform electric field directed downward. The force acting on the particle is:
The unit of electric current is:
At the extreme end (maximum displacement) of a simple harmonic oscillation:
A conducting sphere of radius R carries a charge Q. If half of the charge is transferred to an identical uncharged sphere brought into contact and remov...
Which among the following is produced using ‘Haber Process’?
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