Hi Friends,

Even as I launch this today ( my 80th Birthday ), I realize that there is yet so much to say and do. There is just no time to look back, no time to wonder,"Will anyone read these pages?"

With regards,
Hemen Parekh
27 June 2013

Now as I approach my 90th birthday ( 27 June 2023 ) , I invite you to visit my Digital Avatar ( www.hemenparekh.ai ) – and continue chatting with me , even when I am no more here physically

Saturday, September 7, 2024

Mock Test - Vindication

 Mock Test - Vindication


Dear Parents – Teachers – Students :

Following table should dispel any lingering doubts that you might have about the
authenticity of www.My-Teacher.in , as far as its ability to provide the right answer,
when you select the CORRECT option

Sure , GEMINI and PERPLEXITY do provide longer explanations ( about their
choice ) as compared to www.My-Teacher.in

But then, GEMINI – PERPLEXITY , cannot “ generate “ mock tests ( for JEE – NEET
– CET ) , and offer you 4 options to choose from !


Only www.My-Teacher.in :
Ø  Generates 294,000 BILLION , mock tests
Ø  Provides Multiple Choice Questions
Ø  Lets you select from 9 Indian languages ( both for Questions and for Answers )
Ø  Ensures that even for identical selection , no two tests will ever be SAME – hence no copying
Last – but not the least : www.My-Teacher.in is totally FREE and does not even
require registration / login , assuring complete anonymity

No more need be said . I rest my case

www.HemenParekh.ai /  07 Sept 2024

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Mock Test : Comparison Table

Ø  Question
Ø  Options
Ø  Correct Answer

Validation By :

Ø  Gemini
Ø  Perplexity
( Q: A )
GEMINI
The output of OR gate is 1
---------------------

only if both inputs are zero

if either or both inputs are 1

only if both inputs are 1

if either input is zero

if either or both inputs are 1

The OR gate outputs 1 if at least one of its inputs is 1. confirming that
The correct option is: if either or both inputs are 1.

An OR gate produces a high output (1) if one or both of its inputs are high (1). It only produces a low output (0) when both inputs are low (0).


PERPLEXITY

An OR gate is a digital logic gate that outputs true (1) if at least one of its inputs is true. From the truth table, we can see that the output is 1 if either or both inputs are 1.

( Q : B )

GEMINI
Which of the following structure is similar to graphite?

BN

B

B C4

BH26


Boron nitride (BN) resembles graphite in structure, as it has a similar layered arrangement
The correct answer is BN.

Both graphite and BN (boron nitride) have a hexagonal structure, with alternating atoms forming layers.

This similar structure gives them similar properties, such as electrical conductivity and high melting point.




PERPLEXITY

The structure that is most similar to graphite is BN (boron nitride).Boron nitride (BN) has a layered structure that is very similar to the structure of graphite. In both materials, the atoms are arranged in hexagonal rings that are stacked on top of each other. The bonding within each layer is strong covalent bonding, while the layers are held together by weaker van der Waals forces.The other options are not correct:
·         B (boron) does not have a layered structure like graphite.
B4C (boron carbide) has a different crystal structure that is not similar

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