Scalar and vector definition, examples, differences, solved. A few examples of these include force, speed, velocity and work. Neet ug students can acces the biggest database of mcqs on. Scalars and vectors scalars and vectors a scalar is a number which expresses quantity.
In this grade, learners focus on vectors in only one dimension. Error analysis and vectors is a very important part of physics. On this page you can read or download scalars and vectors mcq pdf in pdf format. A guide to vectors and scalars teaching approach learners have little prior knowledge of vectors and scalars and will be introduced to these concepts for the first time in this topic. The unit vectors i and j are directed along the x and y axes as shown in fig. Vectors are mathematical objects used to represent physical quantities like velocity, force, and displacement. So, here in this quiz, we are going to ask you nineteen questions about the same, read them carefully and answer correctly.
The scalar product of two vectors is just a number, whereas the vector product is itself a. If you dont see any interesting for you, use our search form on bottom v. Differentiate between scalars and vectors with examples. You will find error analysis in every chapter of physics. Obvious examples of scalars are temperature and length, but there are many other. Scalars scalar quantities are those quantities which require only the magnitude for their complete specifications. Displacement, velocity, acceleration, electric field. You can skip questions if you would like and come back. These topics come under physical quantities, units and measurement 5054gcse physics. Examples of such physical quantities include mass, time, length, energy, temperature etc. Scalars and vectors grade 11 physics question answer.
Neet ug physics gravitational mcqs, multiple choice. All of these require a magnitude to be represented. In handwritten script, this way of distinguishing between vectors and scalars must be modified. Scalar and vector quantity pdf a scalar is a number which expresses quantity. Different phys ical quantities can be classified into the following two categories. To give students a good basic understanding of vectors and scalars and their ap. Unlike ordinary numbers or scalars, vectors describe both magnitude and direction.
In this chapter we shall use the ideas of the plane to develop a new mathematical concept, vector. Introduction to vectors and scalars vectors and scalars. Note that the location of the vector for example, on which point a specific vector force is acting, or where a car with a given vector velocity is located is not part. These are those vectors which have a starting point or a point of application as a displacement, force etc. Scalars and vectors scalar quantities physical quantities that require only a number and a unit for their complete specification are known as scalar quantities. It is extremely common among malaysians, especially. Scalars and vectors mcqs quiz questions and answers online. Vectors are mathematical entities which have both a magnitude and a direction.
Scalar product of two vector a and b is given by a a. Visualizing vectors in 2 dimensions video khan academy. Otp has been sent to your mobile number and is valid for one hour. Quantities which require both magnitude and direction for their complete specification are called vectors. Scalars and vectors scalar only magnitude is associated with it e. To distinguish between scalars and vectors we will denote scalars by lower case. Vector possess direction as well as magnitude parallelogram law of addition and the triangle law e. In handwritten script, this way of distinguishing between vectors and scalars must. Mathematics vectoralgebra mcq translation in hindi. To distinguish between scalars and vectors we will denote scalars by lower case italic type such as a, b, c etc. Then the volume of parallelepiped determined by vectors is a 42 b 30 c 24 d 60.
For the obvious reasons, we say that vectors are added, or multiplied with a scalar, coordinatewise. Basically, the difference is that a direction is associated with a vector but not with a scalar. Official, free, no login, fast pdf download get unlimited access to the best preparation resource for nda. These can be fully described by a single number known as the. Mathematicsquestions mathematics vectoralgebra mcq. Scalar is a quantity that is totally described by magnitude or size, whereas, a vector quantity is specified by both magnitudes as well as direction. A system of two equal and opposite charge, separated by a finite distance is called electric dipole. A vector is a quantity which has both magnitude and direction. This collection of mcqs have been prepared by the best neet teachers in the country. Scalars and vectors multiple choice questions mcqs, scalars and vectors quiz answers pdf to learn secondary school physics for online certificate courses. For example, the distance between the planet earth and the sun is finite. The operations can be applied also to vectors in r3, or vectors with any number of coordinates. The position vectors of p and q are and respectively. On this page you can read or download scalars and vectors mcqs pdf download in pdf format.
Scalars may or may not have units associated with them. If you have studied physics, you have encountered this concept in that part of physics concerned with forces and. Solution the vector op uuur represents the required displacement fig 10. Physics mcqs chapter no 2 scalars and vectors part1 by.
The equations developed in this chapter for motion in a plane can be easily extended to the case of three dimensions. A vector quantity is fully defined by magnitude and direction. Questions pertaining to vectors and scalars if youre seeing this message, it means were having trouble loading external resources on our website. Scalars are the physical quantities that can be represented by their magnitude. With vector quantities, the size or magnitude of the quantity must be specified. Scalar and vector study material for iit jee askiitians.
Scalar and vector quantity in physics proprofs quiz. The scalar product aka dot product of two perpendicular vectors is a 0 b 1 c 2 pi d 2 pi e none of the above. It is really important that they understand the concept of a number line, and that. Throughout this chapter, we will be dealing with free vectors only. Which one of the following sets contains 2 scalar and 2 vector quantities. Scalar and vector are just two of the many quantities used in physics. The study of any natural phenomenon involves measurements. Choose your answers to the questions and click next to see the next set of questions. For example, things like time, mass, weight, force, and electric charge, are physical quantities with which we are all familiar. Download neet ug physics gravitational mcqs in pdf, physics chapter wise multiple choice questions free, neet ug physics gravitational mcqs. The scalar product of two vectors a and b whose components are a x, a y and a z and b x. Example 2 classify the following measures as scalars and vectors. Physics mcqs chapter no 2 scalars and vectors part2 by. Visit examrace for more files and information on sampleobjectivequestions.
These quantities are often described as being a scalar or a vector quantity. Which of the six vectors at the right is are a resultants b equilibrants answer. Errors and vectors mcq questions sheet 1 physics mcqs. Vectors and scalars questions practice khan academy. Mass of 2 kg, length of 20m, time interval of 5 sec etc. These are those vectors which represent rotational effect and act along the axis of rotation in accordance with right hand screw rule as angular velocity, torque, angular momentum etc. If youre behind a web filter, please make sure that the domains. Momentum of a moving body is vector because it has both magnitude and direction.