Question
From the top of an upright pole 17.75 m high, the angle
of elevation of the top of an upright tower was 60⁰. If the tower was 57.75 m tall, how far away (in m) from the foot of the pole was the foot of the tower?Solution
The correct answer is D
Which of the following is an example of symbiosis?
What is the product of the reaction?
CH₃COOH + CH₃OH → (H⁺, heat)
In a nuclear reactor, one of the following is used as a fuel.
1 mole of carbon atoms = ______ g of carbon atoms
Two capacitors of capacitance 6 µF and 3 µF are connected in series across a battery of constant voltage.
The charges stored on the two capaci...
Group number and valency have no relation in
In Bohr’s model of the hydrogen atom, electrons in “stationary” orbits do not emit radiation continuously because:
The primary reason that smoking cigarettes is bad for our health is that cigarette smoke _______.
Chemical equation is balanced according to the law of
Consider the following statements regarding antibiotics
1. They are used to destroy disease-causing bacteria.
2. They can be applied to th...
