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Physics-

General

Easy

Question

Statement 1: A physical quantity cannot be called as a vector if its magnitude is zero.
Statement 2: A vector has both, magnitude and direction.

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 False, Statement 2 is True

Here assertion is false and reason is true.

Related Questions to study

Statement 1: When a particle moves on a circular path with constant speed, it is called uniform circular motion.
Statement 2: For a uniform circular motion, necessary a force is always acting parallel to the direction of velocity

Statement 1: When a particle moves on a circular path with constant speed, it is called uniform circular motion.
Statement 2: For a uniform circular motion, necessary a force is always acting parallel to the direction of velocity

Physics-General

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: 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 $F equals fraction numerator m v to the power of 2 end exponent over denominator r end fraction$

Physics-General

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

parallel

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

Chloroplast dimorphism is a characteristic feature of

Chloroplast dimorphism is a characteristic feature of

parallel

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

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.

parallel

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

Photosynthesis is a

Photosynthesis is a

parallel

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?

Photorespiration is the light dependent reaction in which utilisation of

Photorespiration is the light dependent reaction in which utilisation of

parallel

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