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Physics-

General

Easy

Question

Statement 1: A body of mass $1 blank k g$ is making $1 blank r p s$ in a circle of radius $1 blank m$ . centrifugal force acting on it is $4 pi to the power of 2 end exponent N$
Statement 2: Centrifugal force is given by $F equals fraction numerator m v to the power of 2 end exponent over denominator r end fraction$

Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1
Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1
Statement 1 is True, Statement 2 is False
Statement 1 is False, Statement 2 is True

The correct answer is: Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1

From relation
$F equals fraction numerator m v to the power of 2 end exponent over denominator r end fraction equals fraction numerator m open parentheses r omega close parentheses to the power of 2 end exponent over denominator r end fraction equals m r omega to the power of 2 end exponent$
$equals m r open parentheses 2 pi v close parentheses to the power of 2 end exponent equals 4 pi to the power of 2 end exponent m r v to the power of 2 end exponent$
Here, $m equals 1 blank k g comma blank v equals 1 blank r p s blank comma blank r equals 1 m$
$therefore F equals 4 pi to the power of 2 end exponent cross times 1 cross times 1 cross times 1 to the power of 2 end exponent equals 4 pi to the power of 2 end exponent N$

Related Questions to study

Statement 1: Two particles of different mass, projected with same velocity at same angles. The maximum height attained by both the particle will be same
Statement 2: The maximum height of projectile is independent of particle mass

Statement 1: Two particles of different mass, projected with same velocity at same angles. The maximum height attained by both the particle will be same
Statement 2: The maximum height of projectile is independent of particle mass

Physics-General

ATP and NADPH produced in light reaction by the movement of electrons in ETC are used immediatly for

ATP and NADPH produced in light reaction by the movement of electrons in ETC are used immediatly for

The trapping centre of light energy in photosystem-I is

The trapping centre of light energy in photosystem-I is

parallel

Chloroplast dimorphism is a characteristic feature of

Chloroplast dimorphism is a characteristic feature of

The energy required to hydrolyse water during photosynthesis comes from

The energy required to hydrolyse water during photosynthesis comes from

Hexose monophosphate pathway takes place in

Hexose monophosphate pathway takes place in

parallel

Which of the following characteristics out of A, B and C are exhibited by $C subscript 4 end subscript$ -plants?
Kranz anatomy
The product of photosynthesis is oxaloacetic acid
Both PEP carboxylase and ribulose-bisphosphate carboxylase act as carboxylating enzymes.

Which of the following characteristics out of A, B and C are exhibited by $C subscript 4 end subscript$ -plants?
Kranz anatomy
The product of photosynthesis is oxaloacetic acid
Both PEP carboxylase and ribulose-bisphosphate carboxylase act as carboxylating enzymes.

We are created by chloroplast. This statement suggest the idea

We are created by chloroplast. This statement suggest the idea

The $C subscript 4 end subscript$ -plants are photosynthetically more efficient than $C subscript 3 end subscript$ -plants because

The $C subscript 4 end subscript$ -plants are photosynthetically more efficient than $C subscript 3 end subscript$ -plants because

parallel

Photosynthesis is a

Photosynthesis is a

I. PS-I has more chlorophyll- $a$ than chlorophyll- $b$
II. PS-II has more chlorophyll- $b$ than chlorophyll- $a$
Choose the correct option

I. PS-I has more chlorophyll- $a$ than chlorophyll- $b$
II. PS-II has more chlorophyll- $b$ than chlorophyll- $a$
Choose the correct option

Which photosynthetic pigment is called universal photosynthesis pigments?

Which photosynthetic pigment is called universal photosynthesis pigments?

parallel

Photorespiration is the light dependent reaction in which utilisation of

Photorespiration is the light dependent reaction in which utilisation of

The molecule present in the reaction centre of photosystem is

The molecule present in the reaction centre of photosystem is

Protons produced by the splitting of water in light reaction of photosynthesis accumulates within the reaction of photosynthesis accumulates within the

Protons produced by the splitting of water in light reaction of photosynthesis accumulates within the reaction of photosynthesis accumulates within the

parallel

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