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The value of cosec 90 degrees is

cosec 90o = 1 / sin 90o = 1... View Article

The product of two rational numbers is always a ______ number

Answer: The product two rational numbers always result in a rational number. A rational number, in Mathematics, can be defined as any number... View Article

A Collection Of Interrelated Records Is Called A

A collection of interrelated records is called a database. A database is defined as an organised collection of data stored and accessed... View Article

What Are Homeotherms? Give Example

Homeotherms refer to those organisms that maintain a stable internal body temperature by influencing variable environmental conditions through... View Article

Consider the following statements.1. Ohm’s law is applicable to semiconductors 2. Ohm’s law is not applicable at very low and very high temperature.3. Conductance is the reciprocal of resistance and is measured in siemens.4. Ohm’s law is not applicable to electron tubes, discharge tubes and electrolytes. Which of the statements given are correct?

From the above-given statements, statement 2, statement 3 and statement 4 are correct. Statement - 2--Ohm's Law Is Not Applicable At Very Low... View Article

Find The Mode Of The Following Dataclass0-20,20-40,40-60,60-80,80-100,100-120,120-140. Frequency–6,8,10,12,6,5,3

Given: C.I Frequency 0-20 6 20-40 8 40-60 10 60-80 12 80-100 6 100-120 5 120-140 3 In the... View Article

A Minimal Spanning Tree Of A Graph G Is (A) A Tree (B) Minimum Weights (C) A Spanning Subgraph (D)All Of These

The correct answer is (D)All Of These. Explore more such questions and answers at BYJU’S.... View Article

Two Thin Long, Parallel Wires Separated By A Distance D Carry A Current I Each In The Same Direction. They Will

The force per unit length between two long current-carrying conductors is where: d is the distance between the conductors and are the... View Article

A Compound Has The Molecular Formula X4O6 If 10 G Of X4O6 Has 5.72 G Of X, Then Find Atomic Mass Of X?

Molecular weight of compound = 4 * X + 6 * 16 = 4X + 96. Since contains X = 4a gm Therefore, 10gm of contains Therefore, the atomic... View Article

One Solid Sphere A And Another Hollow Sphere B Are Of Same Mass And Same Outer Radii. Their Moment Ofinertia About Their Diameters Are Respectively I A And I B Such That:(A) Ia = Ib (B) Ia > Ib (C) Ia < Ib (D)Ia/Ib = Da/Db

The correct answer is (C) Ia < Ib Given; mass and radius of both the spheres are the same. Now as moment of inertia of solid sphere, ... View Article

Prove That Sin A Left 1Tan A Right Cos A

LHS =... View Article

Which Part Of Human Brain Is Largest?

The most significant part of the human brain is Cerebrum. It is composed of the right and left hemispheres and comprises the cerebral cortex and... View Article

Select the concrete and abstract nouns in the following sentence: The man argued for his innocence. (A) Man, Innocence – Abstract Noun (B) Man – Innocence – Concrete Noun (C) Man – Abstract Noun; Innocence – Concrete Noun (D) Man – Concrete Noun; Innocence – Abstract Noun

The correct answer is (D) Man - Concrete Noun; Innocence - Abstract Noun. Explore more such questions and answers at BYJU’S.... View Article

The Word ‘economics’ Is Derived From Two Greek Words _ And _.

The word 'economics' is derived from two Greek words, 'eco' meaning home and 'nomos' meaning account, which refers to household management.... View Article

Which Of The Following Is The Smallest Cranial Nerve (A) Optic (B) Facial (C) Trochlear (D) Abducence

The correct answer is (C) Trochlear. The Trochlear is the smallest and fourth cranial nerve, which emerges from the back (dorsal) brainstem.... View Article

Alcoholic Solution Of Koh Is A Specific Reagent For (A) Dehydration (B) Dehalogenation (C) Dehydrogenation (D) Dehydro Halogenation

The correct answer is (D) DehydroHalogenation. Alcoholic solution of KOH is a specific reagent for Dehydrohalogenation of haloalkane and results... View Article

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