The unit vector parallel to resultant of the vectors A→ =4 widehati+3 widehatj+6 widehatk and B→ =- widehati+6 widehatj-8 widehatk is:

Questions from EAMCET 2000

1. The dimensional formula of magnetic induction is:

2. The average velocity of a body moving with uniform acceleration after travelling a distance of 3.06m is If the change in velocity of the body is during this time its uniform acceleration is:

3. For a projectile the ratio of maximum height reached to the square of flight time is:

4. A stone is projected with a velocity u at angle with the horizontal reaches maximum height H1, when it is projected with a velocity u at an angle with the horizontal, it reaches to a maximum height H2. The relation between the horizontal range R of the projectile, H1 and H2 is:

5. A constant force acts on a body of mass at rest for . If the body moves a distance of the magnitude of the force is:

Physics Most Viewed Questions

1. If and respectively denote energy and gravitational constant, then has the dimensions of:

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2. The de Broglie wavelength of an electron moving with kinetic energy of is nearly

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3. A car starts from rest and accelerates at At , a ball is dropped out of a window by a person sitting in the car. What is the velocity and acceleration of the ball at ? (Take

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4. A wheel with metallic spokes each long is rotated with a speed of in a plane perpendicular to a magnetic field of . The induced emf between the axle and rim of the wheel will be,

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5. A barometer is constructed using a liquid (density What would be the height of the liquid column, when a mercury barometer reads ?
(density of mercury

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