Aditya Bhatt - Bhautik Study

Aditya Bhatt 22.48K

In a ideal transformer, the turns ratio N p /N s = 1/ 2 . The ratio V s : V p 𝑉 𝑠 : 𝑉 𝑝 is equal to (the symbols carry their usual meaning) :

Posted 23 August 2024

1 Vote

A bob is whirled in a horizontal plane by means of a string with an initial speed of ω rpm. The tension in the string is T. If speed becomes 2 ω while keeping the same radius, the tension in the string becomes : (1) T (2) 4T (3) T/ 4 (4) √ 2 T

Posted 22 August 2024

Answer (2)

1 Vote

If represents the motion of a particle executing simple harmonic motion the amplitude and time period of motion, respectively, are (1) 5 cm, 2 s (2) 5 m, 2 s (3) 5 cm, 1 s (4) 5 m, 1 s

Posted 22 August 2024

NEET-2024

1 Vote

Given below are two statements: Statement I Atoms are electrically neutral as they contain equal number of positive and negative charges. Statement II Atoms of each element are stable and emit their characteristic spectrum. In the light of the above statements, choose the most appropriate answer from the options given below. (1) Both Statement I and Statement II are correct (2) Both Statement I and Statement II are incorrect (3) Statement I is correct but Statement II is incorrect (4) Statement I is incorrect but Statement II is correct

Posted 22 August 2024

Answer (3)

1 Vote

Average velocity of a particle executing SHM in one complete vibration is :

Posted 22 August 2024

0 Votes

Average velocity of a particle executing SHM in one complete vibration is :

Posted 22 March 2024

(NEET-2019) NTA Solutions (4):-

1 Vote

For a P type semiconductor which of the following statements is true ? (1)Electrons are the majority carriers and trivalent atoms are the dopants. (2)Holes are the majority carriers and trivalent atoms are the dopants. (3)Holes are the majority carriers and pentavalent atoms are the dopants. (4)Electrons are the majority carriers and pentavalent atoms are the dopants.

Posted 22 March 2024

(NEET-2019) NTA Solutions (2):- Answer(2) Sol. In p-type semiconductor, an intrinsic semiconductor is doped with trivalent impurities, that creates deficiencies of valence electrons called holes which...

1 Vote

A body weighs 200 N on the surface of the earth. How much will it weigh half way down to the centre of the earth ? (1)150 N (2)200 N (3)250 N (4)100 N

Posted 22 March 2024

(NEET-2019) NTA Solutions (2):-

1 Vote

A body weighs 200 N on the surface of the earth. How much will it weigh half way down to the centre of the earth ? (1)150 N (2)200 N (3)250 N (4)100 N

Posted 22 March 2024

(NEET-2019) NTA Solutions (4):-

1 Vote

Pick the wrong answer in the context with rainbow. (1)When the light rays undergo two internal reflections in a water drop, a secondary rainbow is formed (2)The order of colours is reversed in the secondary rainbow (3)An observer can see a rainbow when his front is towards the sun (4)Rainbow is a combined effect of dispersion refraction and reflection of sunlight

Posted 22 March 2024

(NEET-2019) NTA Solutions (3):- Answer(3) Sol. Rainbow can't be observed when observer faces towards sun.

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