A ball is thrown vertically upwards with an initial velocity of 20 m/s. What will be its velocity at the highest point?
The dimensional formula of force is:
A concave mirror forms a real, inverted image equal to the size of the object. The object is placed:
The SI unit of resistivity is:
The work done in moving a charge in an electric field depends on:
The IUPAC name of CH₃-CH(OH)-CH₃ is:
The gas that is used in the Haber process for ammonia production is:
Which of the following has the highest ionization energy?
The derivative of sin²x with respect to x is:
If a matrix has the same number of rows and columns, it is called a: