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As far as I know, we ourselves are electromagnetic radiations with extremely high frequency. Also, the penetration power of an EM radiation increases with its frequency, right. So, why cant we pass through an aluminium foil? ...

There is a 50m long army platoon marching ahead. The last person in the platoon wants to give a letter to the first person leading the platoon. So while the platoon is marching he runs ahead, reaches the first person and hand ...

Alright,I am facing a problem recently. In questions where it is said name the products of the following reactions(which are generally organic ones) do we have to just write the name or formula or both? And do we have to writ ...

As far as I know, if something is mass less, it travels with speed of light and if it has mass, it cannot reach the speed of light. According to De Broglie's equation, photons do have mass but yet they travel at the speed of ...

Sir, please help me clear this query of mine. When we say that there is an inductor of inductance 'L', is it supposed to mean the inductance of the inductor at a particular instant is 'L' or does it mean that it is the value ...

Which cytoplasmic organelle is expected to be well-developed and abundant in those cells? ...

If (0,0),(a,11) and (b,37) are points of a equilateral triangle.....Find ab? ...

(1)Why is sunlight yellow? (2)why does sky appear blue?by combining voilet,blue and indigo,we are supposed to get a darker blue,ryt???? ...

A uniform shell explodes into 3 equal parts . 2 of the parts fly off perpendicular to each other with velocities 9 & 12 m s -1 . Find the velocity of the third part ...

If Im,n = ∫cosmx.sin(nx).dx, then find 7I4,3 - 4I3,2. ...

Among all cyclic quadrilaterals inscribed in a circle of radius R with one of its angles equal to 120°, consider the one with maximum possible area. Its area is: (a) √2R2 (b) 2R2 (c) √3R2 (d) 2√3R2 ...

A non conducting ring of mass m and radius R has a charge Q distributed over its circumference.It is placed on a rough horizontal surface such that the plane of the ring is parallel to surface.A vertical mag. field B=B0t2is s ...

Sir how to approach. *Image* ...

if a1,a2,........,an+1 arev in ap,then 1/a1a2 + 1/a2a3 +...... 1/anan+1 is.....?????? ...

y do v feel sleepy after a heavy diet...??? ...

at sunset, the sun appears higher than its actual position....can u please explain y??? ...

If the work done by (x-2)men in (x+2)days to the work done by (x+3)men in (x-2)days is 15:16 then x is.... ...

the maximum sum of the series 20+19 1/3 +18 2/3 +18+...is...?? how 2 find it....??? ...

The greatest possible length which can be used to measure exactly the lengths 7 m, 3 m, 85 cm, 12 m 95 cm is??? ...

*Image* ...

what is genome???? ...

Why do our fingers get wrinkled when exposed to water for a long time? ...

What is the function of ear lobes? ...

Why does sebaceous gland produce more sebum during adolescence? ...

Given a polynomial of n degree such that f(x)+f(1/x)=f(x)*f(1/x) Find the polynomial ...

Difference between which two points gives 230 volts as the p.d.? ...

A body is projected with a speed u in such a direction that the maximum height obtained is equal to its horizontal range. The horizontal range is a)8u2/17g b)5u2/17g c)6u2/13g d)u2/2g ...

A sphere of radius R and surface charge density σ is rotating about an axis passing through its centre with angular velocity ω. Find the magnetic induction at the centre of the sphere. ...

\hspace{-16}$Solution for real $\bf{\left(a\;,b\;,c\right)}$ in \\\\ $\bf{[a]+c\{c\}-b\{b\}=0.16}$\\\\ $\bf{b+a\{a\}-c\{c\} = 0.25}$\\\\ $\bf{c[c]+b\{b\}-a\{a\} = 0.49}$\\\\ Where $\bf{[x] =}$ Integer part of $\bf{x}$\\\\ and ...

If p(x) is an 11th degree polynomial such that p(x) = 1/1+x for x = 1, 2, 3,...11, then find p(12). ...