Which of these is a second-class lever?
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2,483 questionsWater is not a good thermometric liquid because it?
A reservoir is filled with liquid of density 2000 kgm\(^{-1}\). Calculate the depth at which the pressure in the liquid will be equal to 9100 Nm\(^{-2}\) (g = 10 ms\(^{-2}\))
The potential energy in an elastic string of force constant k, which has an extension X is?
The vapour pressure?
For a pear-shaped conductor shown above, the concentration of charge on the outside is highest at?
A current of 0.5 A flows through a resistor when connected to a 40 V battery. How much energy is dispatched in 2 minutes?
According to kinetic molecular model in gases,
A magnet relay is a device used for?
When the plate area of a capacitor increases?
A tuning fork having a frequency of 312 Hz emits a wave which has a wavelength of 1.10 m. Calculate the velocity of sound
A person standing waist-deep in a swimming pool appears to have short legs because of light?
The secondary pigments consist of?
An isotope has an initial activity of 120 Bq. 6 days later its activity is 15 Bq. The half-life is?
Which of the following liquid is a poor conductor of electricity?
A cell whose internal resistance is 0.55\(\Omega\) delivers a current of 4 A to an external resistor. The lost voltage of the cell is?
Which of the following is not a consequence of hydrogen bubbles covering the copper plate of a primary cell?
The relationship between the coefficient of linear expansion \(\alpha\) and volumetric expansion (\(\gamma\)) is-----------------
A car starts from rest and covers a distance of 40 m in 10 s. Calculate the magnitude of its acceleration
Tyres are treaded to?