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Formulas in a Spreadsheet must begin with a = sign. 

Correct option is gray/grey

Scenario is a tool to test “what-if” questions.

b) Raster Image

A Raster Image is one composed of a field of pixels, each characterized by a color, and is usually created in paint programs.

a) drawn groups of pictures

Model sheets are precisely drawn groups of pictures that show all of the possible expressions that a character can make,

Correct option: a) Drawn Group Pictures

Correct answer is a. Green 

Correct option: d) Compact Disk Read only Memory

Kama sent a dazzling arrow, which spat fire at Arjuna. Krishna, Arjuna’s charioteer, at the nick of time pressed the chariot down five fingers deep in the mud and the arrow just missed Arjuna’s head but struck off his helmet.

d) Graph Editor

Graph Editor is the tool that helps to tweak values for the keys by giving visual representation.

Compound : The soldier was brave and he was awarded for his bravery. 

Complex : The soldier was given an award because his bravery.

Tidal energy is a cheap form of energy. Tidal energy is cheaper than most other forms of energy.

The water of River Nile had transformed Egypt into a green and most fertile and densly populated areas to be found anywhere on the earth, teeming with life and vegetation. But on the other side was visible a sea of billowing sand without a speak of green or a single living thing anywhere visible on it – the Libyan desert. 

River Nile had formed, Egypt by bringing finest silt in its flood waters, from the highlands of Abyssinia and from remote Africa.

Formula, of Torque = PEsin∅

where P is dipole moment

E is electric field

and ∅ is the angle dipole and Electric field .

Now,

T = PEsin∅

Torque maximum when , sin∅→ max

We know max value of sin∅ = 1 at ∅ = π/2

So, max T = P.E

1. time - lime

2. fox - box

3. gate - rate

4. brown - crown

Correct answer is (b) uncle

No sooner the referee blows the whistle, the game starts.

As soon as the referee blows the whistle, the game starts.

Solution:

We have given time = 5 sec
distance = 10 m
so speed = 2m/s
and again
time = 8 sec
distance = 20 m
so speed = 20/8 m/s
so using v = u + at
 20/7 = 2 + 8a
a = 6/ 64 m/s²
so int time 10 sec it will cover distance 
s = ut +1/2at²
s = 28.125 m
so  distance covered in next 2 sec
28.125 m - 20 m  = 8 m (approx)

It will be Straight Line

Answer is (B)

Between time interval 20 sec to 40 sec, there is non-zero acceleration and retardation. 

Hence distance travelled during this interval = Area between time interval 20 sec to 40 sec 

= 1/2×20×3+20×1

 = 30 + 20 = 50 m.

Hi Hari,

please se the answer below. Hope it helps you

S=ut+0.5at²= 0.5at²   (since u=0)

At t=n-1

S= 0.5a(n-1)²

At t=n

S'=0.5a(n)²

S_n= S'-S =0.5 [n² - (n-1)²] = 0.5a (n-n+1)*(n+n-1)

S_n= 0.5a*(2n-1)

put n+1 in place of n in expression of S_n

S_n+1= 0.5a (2(n+1)-1)= 0.5a (2n+1)

S_n/S_n+1 = 2n-1/2n+1

So the correct option is (C)

A ball dropped from the roof of height 400m.

Let after t time it meets with another ball .
displacement covered by ball during this time ( S₁ ) = ut + 1/2at² 
= 0× t + 1/2 × 10 × t² 
= 5t² 

another ball is thrown from the surface of tower with speed 50m/sec .
then, displacement covered by another ball (S₂) = ut +1/2at² 
= 50t - 1/2× 10t² 
=50t -5t² 

for collision, 
S₁ + S₂ = 400 
5t² + 50t - 5t² = 400 
50t = 400 
t = 8sec 

hence, body collide in 8sec.

then, displacement covered by first body during this time= 5 × 64 = 320m 

collision occurs 80m height from the surface of tower .

SI is one of the largest system of unit. It has many advantages over other system of units like MKS or FPS or CGS.

1. SI is a coherent system of units i.e. a system based on a certain set of fundamental units, from which all derived units are obtained by multiplication or division without introducing numerical factors i.e. units of a given quantity are related to one another by powers of 10.

2. SI is a rational system of units, as it assigns only one unit to a particular physical quantity.

3. SI is an absolute system of units. There are no gravitational units on the system. The use of factor ‘g’ is thus eliminated.

4. SI is an internationally accepted system

Yes, It is best described by Doppler Effect.

Correct answer is (C) 3s

Correct Answer will be (b) 3s

See answer here

http://www.sarthaks.com/4289/length-material-transfer-amount-heat-when-joined-when-joined-length-wise-they-take-much-time

A balloon moving upwards with constant velocity 10m/s . if we release the stone from balloon , then, initial speed of stone = 10m/sec .

now, 
initial speed = 10m/sec 
time = 11sec 
let H is the height of balloon when stone is dropped .

use kinematics equation , 
S = Ut + 1/2at² 
-H = 10 × 11 - 1/2 × 10 × (11)² 
= 110 - 5× 121 
= 110 - 605 
= -495 m 
- H = -495 m

hence, H = 495 m 

so, height of balloon is 495m when stone is dropped .

Answer:  (D) g downward 

Explanation:  As soon as the stone is released from the elevator the acceleration 'a' of the elevator has no effect on the stone, it is now only under the influence of the gravitational pull. So only acceleration due to gravity 'g' acts. 

Here in first complex 4 neutral legend molecule is attached with central Pt²⁺ ion.  rendering total charge on the species as +2 whic is the oxidation state of Pt in this case.

Again in second complex 4 Cl ^- ions are acting as ligand attached with central Pt²⁺ ion making net charge of the complex species 2unit negative. Here also the oxidation state of Pt is +2.