Correct Answer: D. increasing the cross sectional area of the string

Correct Answer: D. Theseus

Explanation

Self-explanatory

Explanation

a)Definition of orderliness;

Orderliness is associated with other qualities such as cleanliness and diligence, and the desire for order and symmetry.

b)Ways of exhibiting orderliness in the society;

• Joining queues
• Following due process
• Orderly conduct in public places/decorum
• Peaceful co-existence
• Tolerance
• Obeying traffic regulations
• Obedience to constituted authorities
• Orderly conduct of examinations/avoidance of examination malpractices
• Peaceful conduct of examinations
• Attentiveness in interpersonal/intergroup communication
• Avoidance of nepotism/favoritism
• Peaceful or orderly conduct in public protests/demonstrations
• Peaceful electioneering campaign or other forms of political participation
• Avoiding taking the law into ones hands/jungle justice
• Respecting the views/rights of others
• Reporting crimes and criminals in the society
• By exhibiting discipline in private and public conducts.

Correct Answer: B. the gold nucleus is positively charged and is concentrated in a tiny volume

Explanation

The Rutherford scattering experiment led to the development of the nuclear model of the atom. Here's why:

1. Observation: A beam of positively charged alpha particles was fired at a thin gold foil.

* Most alpha particles passed straight through, indicating that atoms are mostly empty space.

* A small fraction of alpha particles were deflected at very large angles, some even bouncing straight back.

2. Interpretation: For a positively charged alpha particle to be strongly deflected or repelled, it must have encountered a very dense, positively charged region within the atom. The fact that only a tiny fraction were strongly deflected implied that this dense, positively charged region must be extremely small compared to the overall size of the atom. This small, dense, positively charged region was named the nucleus.

Let's evaluate the options:

• A. a gold nucleus contains protons, neutrons and electrons uniformly distributed in a tiny volume: This is incorrect. Electrons are outside the nucleus, and the idea of uniform distribution within the atom was disproven by the experiment (which showed mostly empty space). The existence of neutrons was discovered later.

• B. the gold nucleus is positively charged and is concentrated in a tiny volume: This perfectly matches the conclusions drawn from the experiment. The positive charge explained the repulsion of alpha particles, and the tiny volume explained why most particles passed through unaffected.

• C. the gold nucleus emitted alpha particles: The experiment involved *firing* alpha particles *at* the gold film, not the gold nucleus *emitting* alpha particles. While some nuclei undergo alpha decay, that's not what this experiment demonstrated.

• D. the gold nucleus is concentrated in a tiny volume and contains alpha particles: While the nucleus is concentrated in a tiny volume, the experiment did not directly conclude that the nucleus contains alpha particles as fundamental constituents. It established the existence of a positively charged, dense core. The specific composition (protons and neutrons) and the concept of alpha particles as helium nuclei came with further discoveries. Option B is a more direct and accurate conclusion based *solely* on the scattering observations.

Therefore, the experiment showed that the gold nucleus is positively charged and concentrated in a tiny volume.

The final answer is B

Correct Answer: D. blameworthy

Correct Answer: D. had we had

Correct Answer: C) allowing price to fall towards equilibrium

Explanation

This Economics question is asking about how to get rid of a surplus in a commodity market. A surplus is when there is too much of a commodity available in the market. To eliminate it means to reduce the excess supply of the commodity.

There are different ways to eliminate a surplus in a commodity market, but the correct option is option C, which is allowing the price to fall towards equilibrium. Equilibrium is the point where the quantity supplied is equal to the quantity demanded. If there is a surplus, it means that the quantity supplied is more than the quantity demanded, so the price needs to fall to encourage buyers to purchase more and sellers to reduce their supply. This would eventually bring the market back to equilibrium.

Option A, which is increasing the quantity supplied, would only make the surplus worse. Option B, which is decreasing quantity demanded, would also not be effective as it would only reduce the demand for the commodity and may not necessarily solve the problem of excess supply. Option D, which is allowing the price to rise towards equilibrium, would be effective in eliminating a shortage, but not a surplus.

It is important to note that the elimination of a surplus may take some time and adjustments in the market. Allowing the price to fall towards equilibrium may not happen immediately, but over time, it would encourage buyers to purchase more and sellers to reduce their supply, thus reducing the surplus.

Understanding the concept of market equilibrium and the forces of supply and demand is key in solving problems related to surpluses and shortages in the market.

Correct Answer: A. N4 069

Correct Answer: A. the quality of its products

Correct Answer: B. poor technology