For a pear-shaped conductor shown above, the concentration of charge on the outside is highest at?
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2022
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?
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According to kinetic molecular model in gases,
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A magnet relay is a device used for?
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When the plate area of a capacitor increases?
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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
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A person standing waist-deep in a swimming pool appears to have short legs because of light?
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The secondary pigments consist of?
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An isotope has an initial activity of 120 Bq. 6 days later its activity is 15 Bq. The half-life is?
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Which of the following liquid is a poor conductor of electricity?
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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?
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Which of the following is not a consequence of hydrogen bubbles covering the copper plate of a primary cell?
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The relationship between the coefficient of linear expansion \(\alpha\) and volumetric expansion (\(\gamma\)) is-----------------
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A carstarts from rest and covers a distance of 40 m in 10 s. Calculatethe magnitude of its acceleration
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Tyres are treaded to?
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A bar magnet is placed near and lying along the axis of a solenoid connected to a galvanometer. The pointer of the galvanometer shows no deflection when?
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2022
An object 40 cm high is 30cm from the pin hole camera. If the height of the image formed is 20 cm. What is the distance of the image from the pin height?
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Consider the wave equation y = 5mm sin [1cm\(^{-1}\)x - 60s\(^{-1}\)t]. The wave number is?
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2022
A bar magnet is divided into two pieces, which of the following statement is correct?