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Find The Least Count Of A Milliammeter In Which There Are 20 Divisions Between 500 mA and 600 mA Marks

The least count of a milliammeter Explore more such questions and answers at BYJU’S.... View Article

The Wavelength Of The First Member Of The Balmer Series In Hydrogen Spectrum Is Λ. Calculate The Wavelength Of The First Member Of Lyman Series In The Same Spectrum.

Given the wavelength of the first member of the Balmer series in Hydrogen, the spectrum is λ. For the first member of the... View Article

Light Takes ′T1′ Sec To Travel A Distance ′X′ In A Vacuum And The Same Light Takes ′T2′ Sec To Travel 10Cm In A Medium. The Critical Angle For The Corresponding Medium Will Be:

Therefore, the critical angle for the corresponding medium will be . Explore more such questions and answers at BYJU’S - The... View Article

Which One Is An Antitranspirant Hormone?(A) Auxin.(B) Cytokinin.(C) Gibberellin.(D) Abscisic Acid.

The correct answer is (D) Abscisic Acid. Explore more such questions and answers at BYJU’S.... View Article

If Sin X + Sin2X + Sin3X = 1 Then Cos6X – 4Cos4X + 8Cos2X Is Equal To

Now, by squaring both sides, we get Explore more such questions and answers at BYJU’S.... View Article

Gold Crystallises In Ccp Structure. The Total Number Of Voids Present In 197 G Of Gold Will Be________.

Weight of gold = 197g The molecular mass of gold = 197 g The number of atoms present in gold is In CCP, there are Therefore, the total number... View Article

How Many Types Of Zygotic Combinations Are Possible Between A Cross Aabbccdd×aabbccdd?

The number of gamete possible in a parent is (where n- number of a heterozygous allele in parent genotype) The number of gamete formation... View Article

_______Is The Process Of Finding Errors In Software Code

The answer is Debugging Debugging is the process of finding errors in software code. Explore more such questions and answers at BYJU’S.... View Article

A swiss watch is being shown in a museum which has a very peculiar property. It gains as much in the day as it loses during the night between 8 pm to 8 am. In a week how many times will the clock show the correct time?

Sol: Let us assume the watch loses x minutes between 8 pm to 8 am. So, in the day it will gain x minutes. Hence it will show the correct time... View Article

Elements In The Same Group Have Equal Valency Comment On It

Elements In The Same Group Have Equal Valency. This is because these elements comprise the same number of electrons in the outermost shell or... View Article

ABCD Is A Parallelogram. Show That 2DC – DB = AC

Let AB = a = DC BC = b = AD AC and DB be the diagonals {a,b are vectors} AC + DB (AB + BC)+ (DA + DC) (a + b) + (-b + a) {-b as the direction is... View Article

Commercial 11.2 Volume Of H2O2 Solution Has A Molarity Of______

The expression for the molarity is Therefore, the commercial 11.2 volume solution has a molarity of 1 M. Explore more such questions... View Article

A Vertical Stick 20 M Long Casts A Shadow 10 M Long On The Ground, At The Same Time A Tower Casts A Shadow 50 M Long On The Ground, The Height Of The Tower Is ?(A) 25m (B) 100m (C) 120m (D) 200m

The correct answer is (B) 100m In , [Each are at 90o to the ground] [common angle] [Since the sum will cast light a equal angles]... View Article

In an elementary reaction, A + 2B → 2C +D. If the concentration of A is increased four times and B is decreased to half of its initial concentration, then the rate becomes? (A) Half. (B) Twice (C) Unchanged (D) None of these

The correct answer is (C) Unchanged The given reaction is A + 2B → 2C + O The rate of law is given by: If the concentration of A is... View Article

A Sector Of A Circle Of Radius 12 Cm Has An Angle 120 . By Coinciding Its Straight Edges A Cone Is Formed. Find The Volume Of Cone.

Given the radius of the circle 12cm This becomes the slant height of the cone The angle of sector The length of arc is given as =... View Article

Tangents Are Drawn From (4,4) To The Circle X2 + Y2 – 2x – 2y – 7 = 0 To Meet The Circle At A And B. What Is The Length Of The Chord Ab

, , Therefore, , , , , , Now in , , , , Therefore, the length of chord AB = 2AE = Explore more such questions and answers... View Article

When A Person Throws A Meter Stick It Is Found That The Centre Of The Stick Is Moving With A Speed Of 10 M/S Vertically Upwards & Left End Of Stick With A Speed Of 20 M/S Vertically Upwards. Then The Angular Speed Of The Stick Is:

Let the distance between the endpoint and centre of the stick be r The speed of the center of the stick, The speed of the left end of the... View Article

A Straight Rod Of Length L Extends From X=A To X=L +A. The Gravitational Force Is Exerted On A Point Mass ‘m’ At X=0, If The Mass Per Unit Length Of The Rod Is A+Bx2is Given By.

Explore more such questions and answers at BYJU’S.... View Article

Give Reasons For The Followingchlorine Water On Standing Loses Its Yellow Colour

Chlorine water loses its yellow colour when standing in sunlight because of the formation of a mixture of Hypochlorous Acid and Hydrochloric... View Article

The Distance Between The Plates Of A Parallel Plate Capacitor Is D A Metal Plate

The answer is The Capacitance will be doubled Explore more such questions and answers at BYJU’S.... View Article

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