Recently Active Questions

STATEMENT-1: An emf can be induced by moving a conductor in a magnetic field STATEMENT-2: An emf can be induced by changing the magnetic field ...

STATEMENT-1: Always two tangent can be drawn from the point(1,k) (k is real) to the circle x2+y2-4x+3=0. STATEMENT-2: The point does not lie inside the circle. ...

If tanθ = 1/√7 , the value of (cosec2θ - sec2θ)/(cosec2θ + sec2θ) is closest to ...

A resistor R is connected to an ideal battery. STATEMENT-1: If R is decreased, power dissipated in the resistor will increase. STATEMENT-2: The potential difference across R remains same. ...

The eqn of median of ΔACD passing through A is ...

What is the value of tan1° tan2° tan3°.........tan 89° ...

sin2θ + cos4θ has minimum and maximum values of p and q respectively. Then the pair (p,q) is ...

STATEMENT-1: A quadrilateral inscribed in a parabola can be cyclic. STATEMENT-2: A circle can cut the parabola in four points ...

What is the maximum number of rational points that can lie on a circle in R2 whose center is not a rational point? (A rational point is a point both of whose coordinates are rational numbers.) ...

C3H9N cannot represent, ...

To convert the following compound into a chiral compound, the attack should be on carbon: *Image* ...

A similarity between optical and geometrical isomerism is that: ...

The stability order of the following compounds is: *Image* ...

In the following structures, which two forms are staggered conformation of ethane? *Image* ...

What is the IUPAC name of the following compound? *Image* ...

What is the IUPAC name of the following compound? *Image* ...

What is the IUPAC name of the following compound? *Image* ...

What is the IUPAC name of the following compound? *Image* ...

A gas (γ=5/3) expands isobarically. The percentage of heat supplied that increases thermal energy and that involved in doing work for expansion ...

A long spring is stretched by 2 cm and the potential energy is U. If the spring is stretched by 10 cm, its potential energy will be ...

The temperature of an ideal gas is increased from 120 K to 480 K. If at 120 K, the root mean square velocity of gas molecules is v, at 480 K it becomes ...

If a proton and an electron have same de-Broglie wavelength, then ...

The photoelectric threshold of Tungsten is 2300 A°. The energy of electron ejected from the surface by ultraviolet light of wavelength 1800 A° is ...

A ray of light passes from vaccum into a medium of refractive index μ, the angle of incidence is found to be twice the angle of refraction. Then the angle of incidence is ...

An object is placed symmetrically between the two plane mirrors inclined at an angle of 30°, then total number of images formed is ...

Focal length of a convex lens of refractive index 1.5 is 2 cm. Focal length of lens when immersed in a liquid of refractive index of 1.25 will be ...

If yellow light emitted by sodium lamp in Young's double slit experiment is replaced by monochromatic blue light of the same intensity ...

The equation of displacement of two waves are given as y1=10sin(3πt+π/3) y2=5(sin3πt+(√3)cos3πt) The ratio of their amplitude is ...

*Image* A conducting square loop of side L and resistance R moves in its plane with a uniform velocity v perpendicular to one of its sides. A magnetic induction B, constant in time and space, pointing perpendicular and into t ...

The time period of a thin bar magnet in earth's magnetic field is T. If the magnet is cut into four equal parts perpendicular to its length, the time period of each part in the same field will be ...