If the density of small planet is that of the same as that of the earth while the radius of the planet is 0.2 times that of lhe earth, the gravitational acceleration on the surface of the planet is……

The moon's radius is 1/4 that of earth and its mass is 1/80 times that of the earth. If g represents the acceleration due to gravity on the surface of earth, that on the surface of the moon is

Maths-

The length of the tangent of the curves $x equals a cos cubed invisible function application theta comma y equals a sin cubed invisible function application theta left parenthesis a greater than 0 right parenthesis$ is

For such questions, we should know the properties of trignometric functions and their different formulas.

The length of the tangent of the curves $x equals a cos cubed invisible function application theta comma y equals a sin cubed invisible function application theta left parenthesis a greater than 0 right parenthesis$ is

Maths-General

For such questions, we should know the properties of trignometric functions and their different formulas.

If earth rotates faster than its present speed the weight of an object will.

The value of g on be earth surface is 980 cm/ $s e c squared$ . Its value at a height of 64 km from the earth surface is....cm5^-2

A body weights 700 g wt on the surface of earth How much it weight on the surface of planet whose mass is 1/7 and radius is half that of the earth

in a sine wave, position of different particles at time t =0 is sbown in figure: The equation for this wave travelling along the positive x - direction can be

Aspherical planet far out in space has mas Mo and diameter Do. A particle of $m$ falling near the surface of this planet will experience an acceleration due to gravity which is equal to

Maths-

If $f left parenthesis x comma y right parenthesis equals S i n invisible function application open parentheses e to the power of a x end exponent plus e to the power of b y end exponent close parentheses$ then $f subscript x y end subscript equals$

We have used rules of indices and different formulae of differentiation to solve the question. When we find the derivative w.r.t to some variable we take another variable as consta.

If $f left parenthesis x comma y right parenthesis equals S i n invisible function application open parentheses e to the power of a x end exponent plus e to the power of b y end exponent close parentheses$ then $f subscript x y end subscript equals$

Maths-General

We have used rules of indices and different formulae of differentiation to solve the question. When we find the derivative w.r.t to some variable we take another variable as consta.

The time period of a simple pendulum on a freely moving artificial satellite is

The radius of the earth is 6400 km and g= $10 space m s squared$ . In order that a body of 5 kg weights zero at the equator, the angular speed of the earth is =……rad/sec

A transverse wave is represented by $y equals A S i n left parenthesis u t minus k x right parenthesis$ . For what value of its wavelength will the wave velocity be equal to the maximum velocity of the particle taking part in the wave propagation?

If R is the radius of the earth and g the acceleration due to gravity on the earth's surface, the mean density of the earth is =……

If. two almost identical waves having frequencies $n subscript 1 end subscript$ and $n subscript 2 end subscript$ produced one after the other superposes then the time interval to obtain a beat of maxirmum intensity is .......

As shown in figure, two pulses in a string having center to center distance of 8 cm are travelling abng mutually opposite direction. If the speed of both the pulse is $2 text end text c m divided by$ s, then after 2s, the energy of these pulses will be…………