SONAR works on the principle of
What is the nature of electromagnetic force?
Which of the following is not the common manifestation of atmospheric pressure?
Light Emitting Diode (LED) converts
Which of the following is not an example of TRUE fruit?
The theory of Origin of Species is based primarily on
Which of the following statements are true about the commercially used automobile battery?
I.It is usually a lead-acid battery
II.It has six cells with a potential of 2 volts each
III.Its cells work as galvanic cells while discharging power
IV.Its cells work as electrolytic cells while recharging
Synthetic Detergents are sodium salts of
Which of these international tennis events is played on a grass court?
Which of the following is an ore of silver?