The Radius Of Circle Is 1.26 Cm. According To The Concept Of Significant Figures Area Of It Can Be Represented As -
Chahat Ali
5 Years Ago
Contribute & Test Your Skills
- Unit, Dimension & Measurement
- Motion In One Dimension
- Thermodynamics
- Work, Energy & Power
- Rotational Motion
- Gravitation
- Laws of Motion
- Properties of Solids & Liquids
- Electronic Devices
- Kinetic Theory of Gases
- Wave Motion
- Communication Systems
- Current Electricity & Heating Effect
- Magnetic Effects of Current & Magnetism
- Electromagnetic Induction & Alternating Currents
- Electromagnetic Waves
- Optics Photometry
- Transmission of Heat
- Electrostatics
- Atomic Structure
- Mechanical Properties of Fluids
- Thermal Properties of Matter
- Circular Motion
- Projectile Motion
- Friction
- Properties of Bulk Matter
- Surface Tension
- Simple Harmonic Motion
- Capacitor
- Alternating Current
- Electron, Photon & X-Ray
- Nuclear Physics
- Valve Electronics
- Optical Instrument
- Reflection of Light
- Refraction of Light
- Wave Optics
- Mathematics In Physics
Popular Questions
- The position vector of a particle is determined by the following expression. Then what would be the distance traversed in first 10..
- position of a particle in a rectangular co ordinate system is 3,2,5. Then its position vector will be
- The scope for ratio of length is in order to ...............
- the dimension of 1/2 e0 e^2, where is permittivity of free space and
- The unit vector parallel to the resultant of the given vectors A & B is:
- 2 forces of 12 N & 8 N act upon a body. The resultant force on body has maximum value of
- A is a vector with magnitude A, then the unit vector a in the direction of A would be:
- The X & Y components of a force F acting at 30 degrees to x axis are:
- y component of velocity is 20 & x component of velocity is 10. The direction of motion of the body with the horizontal at this ins..
- Two person A & B are in X-Y plane at (0,0) & (0,10). In the below scenario, find the time after which A & B are at closest distanc..
- A particle starting from origin moves in a straight line in the x,y plane. Its coordinates at later time are ((root)3 ,3). The pat..
- Vector A makes equal angles with x,y & z axis. Which would be the value of its components in terms of its magnitude?
- For the following sets of forces, the resultant can never be zero. choose the right ans.
- There are 2 given vectors A & B. Another vector C has same magnitude as B but same direction as A. Which of the following vectors ..
- The maximum & minimum magnitude of resultant of 2 given vectors are 17 units & 7 units respectively. If these 2 vectors are at rig..
- With respect to the Cartesian Coordinate System, 3 vectors a, b, c are expressed as following, where i, j, k are unit vectors alon..
- Among the following, the vector quantity is :
- 3 concurrent forces of same magnitude are in equilibrium. What is the angle between the forces? Also name the triangle formed by t..
- A body is moving with velocity 30m/s towards east. After 10 seconds, its velocity becomes 40 m/s towards North. The average accele..
- Find a vector to add in the following 2 vectors to make the resultant vector into a unit vector.
- What is full name of LHC
- A hall has the dimensions (10X12X14)m. A fly starting at one corner ends up at a diagonally opposite corner. Which of the followin..
- 3 forces acting on a body are shown in figure. To have the resultant force only along y-direction, the magnitude of the minimum ad..
- Five equal forces of 10 N each are applied at one point & all are lying in one plane. If the angles between them are equal, the re..
- The particle has displacement of 12 m towards east and 5 m towards north then 6 m vertically upward. The sum of these displacement..
- What would be the direction of the cosines of given vector A is:
- Ampere hour is the unit of
- A truck travelling due North at 20m/s turns west & travels at the same speed. What will be the change in its velocity
- The SI unit of gravitational potential is
- Which of the following is true about given vectors?
- Dimensional formula of magnetic flux is
- There are 2 forces, one of 5 N and other of 12 N. At what angle should they be added to get resultant vector of 17N, 7 N & 13 N re..
- Which of the two have same dimensions?
- The dimensional formula for the magnetic field is
- if force (F), velocity (v) and time (t) are taken as functional
- Which of the following describes angular momentum?
- Mechanics and newton’s motion laws as ............... laws depended.
- 3 vectors P, Q, R are shown in figure. Let S be any point on vector R. The distance between point P & S is b |R|. Then the general..
- What is the approximate value of the Radius of a nucleus ?
- Which of these are true about coordinate axis and vectors
