Recent questions

Transfer of energy between ocean and atmosphere in the form of sensible heat flux is due todifference in specific humidity between ocean and atmospheredifference in tempe...

A value of outgoing long-wave radiation $\text{(OLR)}$ $<200 \mathrm{~W} \mathrm{~m}^{-2}$ over the tropical oceans indicates ___________high pressure regiondeep convecti...

Which of the following is a correct statement?Tropics receive more incoming short-wave radiation than the outgoing long-wave radiation.Polar regions do not emit any long-...

Upwelling region has __________.low sea surface heighthigh sea surface heightdecrease in primary productionlow nutrients

Density of sea-water does not directly depend on __________.temperature of sea watersalinity of sea waterpressure of sea watervorticity of sea water

Which of the following is/are true about ocean circulation?Wind driven circulation, with constant Coriolis force, can produce narrow and fast western boundary currents.Wi...

Svedrup's equation deals with:curl of wind stresspressure gradient forcevariation of Coriolis force with latitudemeridional transport of sea water

pH of the water in the oceans is/are directly affected by:water temperaturewater salinitytotal alkalinitywater pressure

Billow clouds indicate:turbulence in the atmospherevertical shear of the windheavy precipitationuniform winds

Consider an atmospheric flow at $45^{\circ} \mathrm{N}$, which is parallel to latitude and isobars. Which of the following is/are true when there is no friction?Flow is i...

The given figure shows a schematic of dry, moist, and environmental lapse rates. Which of the following is/are correct statements?The lapse rate of environment below $5$ ...

Balance of forces and different types of flows/weather phenomena in the northern hemisphere are given. Match the following:Balance of forcesFlow type/weather phenomenaP. ...

During summer monsoon season, water from Arabian Sea spreads over the southwestern Bay of Bengal. This leads toformation of salt fingersupwellingwestern boundary currentd...

Net solar radiation of $1360 \mathrm{~W} \mathrm{~m}^{-2}$ is incident on the surface of a still lake having mixed layer depth of $20$ m. Find the change in temperature $...

A homogeneous, incompressible, steady ocean of mixed layer depth of $20$ m has a velocity gradient $-5 \times 10^{-8} \mathrm{~s}^{-1}$ and $-8.3 \times 10^{-8} \mathrm{~...

Wind blows over the ocean surface at a speed of $10 \mathrm{~m} \mathrm{~s}^{-1}$. Calculate the magnitude of wind stress, in Pa , using bulk formulation. $\text{(Drag co...

Two stations 'A' and 'B', present at a latitude of $30^{\circ} \mathrm{N}$ are separated by a distance of $10$ km . If the difference in sea surface height between these ...

A stationary air parcel centered on the equator is moved north-ward by conserving absolute vorticity. In the new location it has gained a relative vorticity of $-10^{-4} ...

If ' $\rightarrow$ ' denotes increasing order of intensity, then the meaning of the words $[$ walk $\rightarrow \mathrm{jog} \rightarrow$ sprint] is analogous to [bothere...

Two wizards try to create a spell using all the four elements, water, air, fire, and earth. For this, they decide to mix all these elements in all possible orders. They a...

In an engineering college of $10,000$ students, $1,500$ like neither their core branches nor other branches. The number of students who like their core branches is $1 / 4...

For positive non-zero real variables $x$ and $y$, if\[\ln \left(\frac{x+y}{2}\right)=\frac{1}{2}[\ln (x)+\ln (y)]\]then, the value of $\frac{x}{y}+\frac{y}{x}$ is$1$$1 / ...

In the sequence $6,9,14, x, 30,41$, a possible value of $x$ is$25$$21$$18$$20$

Sequence the following sentences in a coherent passage.P: This fortuitous geological event generated a colossal amount of energy and heat that resulted in the rocks risin...

A person sold two different items at the same price. He made $10 \%$ profit in one item, and $10 \%$ loss in the other item. In selling these two items, the person made a...

The pie charts depict the shares of various power generation technologies in the total electricity generation of a country for the years $2007$ and $2023$. The renewable ...

A cube is to be cut into $8$ pieces of equal size and shape. Here, each cut should be straight and it should not stop till it reaches the other end of the cube.The minimu...

In the $4 \times 4$ array shown below, each cell of the first three rows has either a cross $(\mathrm{X})$ or a number. The number in a cell represents the count of the i...

Let $A$ be a $3 \times 3$ real matrix having eigenvalues $1,2,$ and $3$. If $B=A^{2}+2 A+I$, where $I$ is the $3 \times 3$ identity matrix, then the eigenvalues of $B$ ar...

Let $f: \mathbb{R}^{2} \rightarrow \mathbb{R}$ be a function defined by $f(x, y)=\left\{\begin{array}{cc}\frac{x y}{|x|+y}, & y \neq-|x| \\ 0, & \text { otherwise. }\end{...

If the quadrature formula $\int_{-1}^{1} f(x) d x \approx \frac{1}{9}\left(c_{1} f(-1)+c_{2} f\left(\frac{1}{2}\right)+c_{3} f(1)\right)$is exact for all polynomials of d...

The second smallest eigenvalue of the eigenvalue problem$\frac{d^{2} y}{d x^{2}}+(\lambda-3) y=0, \quad y(0)=y(\pi)=0$,is$4$$3$$7$$9$

Which one of the following functions is differentiable at $z=0$ but NOT differentiable at any other point in the complex plane $\mathbb{C}$?$f(z)=z|z|, \quad z \in \mathb...

If the polynomial $P(x)=a_{0}+a_{1} x+a_{2} x(x-1)+a_{3} x(x-1)(x-2)$interpolates the points $(0,2),(1,3),(2,2)$, and $(3,5)$, then the value of $P\left(\frac{5}{2}\right...

The value of $m$ for which the vector field$\vec{F}(x, y)=\left(4 x^{m} y^{2}-2 x y^{m}\right) \hat{\imath}+\left(2 x^{4} y-3 x^{2} y^{2}\right) \hat{\jmath}$is a conserv...

Let $P=\left[\begin{array}{lll}4 & -2 & 2 \\ 6 & -3 & 4 \\ 3 & -2 & 3\end{array}\right]$, and $Q=\left[\begin{array}{lll}3 & -2 & 2 \\ 4 & -4 & 6 \\ 2 & -3 & 5\end{array}...

The surface area of the portion of the paraboloid $z=x^{2}+y^{2}$that lies between the planes $z=0$ and $z=\frac{1}{4}$ is$\frac{\pi}{6}(2 \sqrt{2}-1)$$\frac{\pi}{2}(2 \s...

The probability of a person telling the truth is $\frac{4}{6}$. An unbiased die is thrown by the same person twice and the person reports that the numbers appeared in bot...

Let $u(x, t)$ be the solution of the initial boundary value problem$\frac{\partial u}{\partial t}-\frac{\partial^{2} u}{\partial x^{2}}=0, \quad x \in(0,2), t>0$$u(x, 0)=...

Match the following measuring instruments with the appropriate figures.I - Pitot probeII - Pitot-static probeIII - Piezometer$\text{I - P; II - Q; III - R}$$\text{I - R; ...