What is required to specify the position of an object?

If the ciliary muscles are strained, what would be the position of the object?

An object is moving along +ve x-axis with a uniform acceleration of 4ms^(-2) . At time t=0 , x=5m and v=3ms^(-1) . (a) What will be the velocity and position of the object at time t=2s? What will be the velocity and position of the object when it has a velocity of 5ms^(-1) ?

When the image formed by a concave mirror is at infinity then what is the position of the object?

An Object is placed at a distance of 90 cm from a screen. To cast an image of magnification 2 on the screen, what type of spherical mirror is required ? Determine the position of the mirror and its focal length.

Name three elements required to specify the earth’s magnetic field at a given place.

Draw virtual, magnified image in concave lens. What is the position of object?

An erect image 3 times the size of the object is obtained with a concave mirror of radius of curvature 36 cm . What is the position of the object ?

By using which type of lens will we get an image having the same size as the object ? What is the position of the object ?

An erect image of 3 tiems the size of the object is obtined with a conccave mirror of radius of curvature 36 cm.What is the position of the object?