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3 years ago

What is de Broglie's hypothesis ? Make sure to be specific (qualitative and quantitative)

Physics

1 answer:

victus00 [196]3 years ago

3 0

Answer and Explanation:

DE BROGLIE 'S HYPOTHESIS :

According to De broglie the matter have dual nature it can behave as particle as well as wave
According to this hypothesis all matter have wave like property and having wavelength.
The de broglie wavelength is given by $\lambda =\frac{h}{P}$ here h is plank's constant and P is momentum
This hypothesis determines the probability of finding the object at a give point

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To balance a chemical equation we use______. -coefficients -subscripts

Vitek1552 [10]

Answer:

Coefficients

Explanation:

Coefficients are used to balance chemical equations.
According to the law of conservation of mass, the mass of the reactants in a chemical equation should be equivalent to the mass of the products.
The conservation of mass is achieved in chemical equations is achieved through balancing chemical equations.
Balancing chemical equations is a try and error of putting appropriate coefficients to the reactants or products to ensure that the number of atoms of each element are equal on the side of the reactants and that of products.

3 0

3 years ago

In a pig-calling contest, a caller produces a sound with an intensity level of 60 db. how many such callers would be required to

zloy xaker [14]

The imaginary second level is 60 dB more intense than the real level of the caller.

60 dB means a multiplication of 10⁶ = 1 million.

That's how many equally-talented callers it would take to be 60 dB louder than him.

7 0

3 years ago

a vertical solid steel post 29cm in diameter and 2.0m long is required to support a load of 8200kg, ignore the weight of the pos

erik [133]

Answer:

The stress is $\sigma = 1.218*10^{6} \ N/m^2$

Explanation:

From the question we are told that

The diameter of the post is $d = 29 \ cm = 0.29 \ m$

The length is $L = 2.0 \ m$

The weight of the loading mass

Generally the radius of the post is mathematically represented as

$r = \frac{0.29}{2}$

=> $r = 0.145 \ m$

Generally the area of the post is

$A = \pi r^2$

=> $A = 3.14 * 0.145 ^2$

=> $A = 0.066 \ m^2$

Generally the weight exerted by the load is mathematically represented as

$F = m * g$

=> $F = 8200 * 9.8$

=> $F = 80360 \ N$

Generally the stress is mathematically represented as

$\sigma = \frac{F}{A}$

=> $\sigma = \frac{80360 }{0.066}$

=> $\sigma = 1.218*10^{6} \ N/m^2$

7 0

3 years ago

Which of the following is an example of a compound machine Bicycle, Wedge, Lever, or pulley

Vitek1552 [10]

Pulley, Lever and a Bicycle are all compound machines

7 0

3 years ago

What kind of creatures/beings are tieflings?

Nuetrik [128]

Answer:

Tieflings are classed as humanoids, not fiends (and technically it appears to be a bloodline curse, not even having any fiendish blood). Note that being classed as a fiend would also mean the character would be immune to spells that target humanoids, such as Hold Person.

Explanation:

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4 0

2 years ago