Seismometer was invented by -a)Alexander Parkes b)Luigi Palmieric)Alexey Pajitnovd)Ransom Eli OldsCorrect answer is option 'B'. Can you explain this answer?

EduRev

All Courses

Explore Courses UPSC Exam UPSC Test Series Free Notes EduRev Infinity

Open App

Defence Exam > Defence Questions > Seismometer was invented by -a)Alexander Park...

Join the Discussion on the App

Seismometer was invented by -

a)
Alexander Parkes
b)
Luigi Palmieri
c)
Alexey Pajitnov
d)
Ransom Eli Olds

Correct answer is option 'B'. Can you explain this answer?

FREE This question is part of

Test : Physics - 4

Attempt Test

Attempt this Test

Verified Answer

Seismometer was invented by -a)Alexander Parkes b)Luigi Palmieric)...

A Seismometer is an instrument that measures motion of the ground, caused by, for example, an earthquake, a volcanic eruption, or the use of explosives. It was invented by Italian scientist Luigi Palmieri.

View all questions of this test

View all answers Start learning for free

< Previous Question Next Question >

Explore Courses for Defence exam

Similar Defence Doubts

Direction: Read the passage carefully and choose the best answer to each question out of the four alternatives.Once Alexander was camping near a town that was inhabited by only helpless women and some children. The menfolk had already been killed in the battle. Feeling hungry, he stopped before a house and knocked at the door. After he had knocked about a dozen times, an old woman supported by a stick came out and enquired what he wanted. In a stern voice Alexander commanded her to get him food. The old woman who recognized Alexander from his Greek dress went inside and presently came out with a covered plate, and presented it to him. When Alexander removed the cover, he found that it contained gold and jewellery. He became very angry."You stupid woman," he said angrily, "What have you brought? Can I eat jewellery? I need only food." The old woman coolly said, "You are Alexander the Great, arent you? I thought that you ate only gold and jewellery. That is why you wander from place to place and mercilessly kill innocent people for it. If ordinary loaves could satisfy your hunger, surely you have enough in your own country." Alexander was taken aback by the words of the old woman. He realized his foolishness and felt ashamed of himself. The old woman then served him good food with great affection. Alexander learnt his lesson from the old woman.Q. The old lady recognized Alexander from his.

View answer

Direction: Read the passage carefully and choose the best answer to each question out of the four alternatives.Once Alexander was camping near a town that was inhabited by only helpless women and some children. The menfolk had already been killed in the battle. Feeling hungry, he stopped before a house and knocked at the door. After he had knocked about a dozen times, an old woman supported by a stick came out and enquired what he wanted. In a stern voice Alexander commanded her to get him food. The old woman who recognized Alexander from his Greek dress went inside and presently came out with a covered plate, and presented it to him. When Alexander removed the cover, he found that it contained gold and jewellery. He became very angry."You stupid woman," he said angrily, "What have you brought? Can I eat jewellery? I need only food." The old woman coolly said, "You are Alexander the Great, arent you? I thought that you ate only gold and jewellery. That is why you wander from place to place and mercilessly kill innocent people for it. If ordinary loaves could satisfy your hunger, surely you have enough in your own country." Alexander was taken aback by the words of the old woman. He realized his foolishness and felt ashamed of himself. The old woman then served him good food with great affection. Alexander learnt his lesson from the old woman.Q. Alexander knocked at the old ladys door because.

View answer

Direction: Read the passage carefully and choose the best answer to each question out of the four alternatives.Once Alexander was camping near a town that was inhabited by only helpless women and some children. The menfolk had already been killed in the battle. Feeling hungry, he stopped before a house and knocked at the door. After he had knocked about a dozen times, an old woman supported by a stick came out and enquired what he wanted. In a stern voice Alexander commanded her to get him food. The old woman who recognized Alexander from his Greek dress went inside and presently came out with a covered plate, and presented it to him. When Alexander removed the cover, he found that it contained gold and jewellery. He became very angry."You stupid woman," he said angrily, "What have you brought? Can I eat jewellery? I need only food." The old woman coolly said, "You are Alexander the Great, arent you? I thought that you ate only gold and jewellery. That is why you wander from place to place and mercilessly kill innocent people for it. If ordinary loaves could satisfy your hunger, surely you have enough in your own country." Alexander was taken aback by the words of the old woman. He realized his foolishness and felt ashamed of himself. The old woman then served him good food with great affection. Alexander learnt his lesson from the old woman.Q. The town had only helpless women and some children because the menfolk.

View answer

Direction: Read the passage carefully and choose the best answer to each question out of the four alternatives.Once Alexander was camping near a town that was inhabited by only helpless women and some children. The menfolk had already been killed in the battle. Feeling hungry, he stopped before a house and knocked at the door. After he had knocked about a dozen times, an old woman supported by a stick came out and enquired what he wanted. In a stern voice Alexander commanded her to get him food. The old woman who recognized Alexander from his Greek dress went inside and presently came out with a covered plate, and presented it to him. When Alexander removed the cover, he found that it contained gold and jewellery. He became very angry."You stupid woman," he said angrily, "What have you brought? Can I eat jewellery? I need only food." The old woman coolly said, "You are Alexander the Great, arent you? I thought that you ate only gold and jewellery. That is why you wander from place to place and mercilessly kill innocent people for it. If ordinary loaves could satisfy your hunger, surely you have enough in your own country." Alexander was taken aback by the words of the old woman. He realized his foolishness and felt ashamed of himself. The old woman then served him good food with great affection. Alexander learnt his lesson from the old woman.Q. Which of the following is not the meaning of stern?