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IIT JEE - Main - Mathematics

Solve the question in photo showing each step clearly

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Asked by Vidushi412 25th April 2019, 7:10 PM
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IIT JEE - Main - Physics

Two circular discs A and B have equal masses and uniform thickness but have densities ρ1 and ρ2 such that ρ1>ρ2. their moment of inertia is

Asked by tusharsaumyaab 25th April 2019, 1:12 PM
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IIT JEE - Main - Physics

Carbon, Silicon and germanium atoms have 4 valence electrons each. Their valence and conduction bands are separated by energy band gaps represented by (EG)c,(EG)si and (EG)Ge, repectively. what is the relationship between above these things?

Asked by jmorakhia 24th April 2019, 7:12 PM
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IIT JEE - Main - Physics

In a diode vaccum tube, the plate voltage is 160 V , a grid is introduced between the plate and the cathode and a voltage of -2 V is applied to it the plate current will become (if gm = 5* 10^-3ohms^-1)

Asked by jmorakhia 24th April 2019, 7:11 PM
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IIT JEE - Main - Physics

A vessel contains oil  (density 0.8 g/cc) over mercury  (density 13.6 g/cc ). A homogeneous sphere floats with half its  volume immersed in mercury and other half in oil . The density of the material is ?  

Asked by jmorakhia 24th April 2019, 7:11 PM
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IIT JEE - Main - Physics

A block of ice of area A and thickness 0.5 m is floating in the fresh water. In order to just support a man of 100kg, the area of A should be (specefic gravity of ice 0.917 and the density of water = 1000 kg/m^3)  

Asked by jmorakhia 24th April 2019, 7:08 PM
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IIT JEE - Main - Mathematics

Each of the distinct numbers A and B exceeds its reciprocal by Unity. Find the value of a + b 

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IIT JEE - Main - Physics

Why do we take radius as half of focal length in this problem ?

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Asked by nipunverma59 24th April 2019, 4:05 PM
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JEE Plances - JEE (Main) - Mathematics

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JEE Plances - JEE (Main) - Mathematics

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JEE Plances - JEE (Main) - Mathematics

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Asked by g_archanasharma 16th December 2018, 6:18 PM
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Asked by g_archanasharma 16th December 2018, 6:09 PM
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JEE Plances - JEE (Main) - Mathematics

Sir pls solve this question.

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Asked by rsudipto 15th December 2018, 6:13 PM
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JEE Plances - JEE (Main) - Physics

2nd and 3rd

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Asked by StarBoy 15th December 2018, 2:25 PM
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JEE Plances - JEE (Main) - Mathematics

Sir in this question how is the inverse fn derived. Pls explain in details.

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Asked by rsudipto 15th December 2018, 8:55 AM
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JEE Plances - JEE (Main) - Mathematics

Sir pls solve this question.

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Asked by rsudipto 14th December 2018, 9:52 AM
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JEE Plances - JEE (Main) - Mathematics

Sir pls solve this question.

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Asked by rsudipto 14th December 2018, 9:51 AM
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