Question
A modern periodic table consists of ________groups and
_________periods, respectively.Solution
In the long form of the periodic table there are 7 horizontal rows called periods and 18 vertical columns called groups .
Which of the following disease affects the brain of a person?
A current-carrying conductor placed in a magnetic field experiences a force because:
The bulk modulus of a perfectly incompressible fluid is:
A point located 5cm away from a source of sinusoidal oscillations has a displacement equal to half of the maximum amplitude at time t=T/4 (where T is th...
Overconsumption of which nutrient is most directly linked to obesity?
The phenomenon due to which the sky appears blue is
When electric current is passed through a wire, the amount of heat produced in a wire depends upon _____.
I. Length
II. Thickness
Which of the following is true about isotopes?
Intensity of gravitational field of earth is maximum at –
What is the law of reflection?
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