B . statements given below are incorrect write the correct statement : 1. An aeroplane flying straight to North describes a Periodic motion .
2. A stone thrown upward at an angle.
describes rectilinear motion,
3. A person sitting in moving train is at rest .
with respect to surroundings outside the
train
4. The skin of a drum on hammering produces
oscillatory motion.
5. A hockey player running up and down in the
hockey ground describes a periodic motion.
Answers
Explanation:
B . statements given below are incorrect write the correct statement : 1. An aeroplane flying straight to North describes a Periodic motion .
2. A stone thrown upward at an angle.
describes rectilinear motion,
3. A person sitting in moving train is at rest .
with respect to surroundings outside the
train
4. The skin of a drum on hammering produces
oscillatory motion.
5. A hockey player running up and down in the
hockey ground describes a periodic motion
B . statements given below are incorrect write the correct statement : 1. An aeroplane flying straight to North describes a Periodic motion .
2. A stone thrown upward at an angle.
describes rectilinear motion,
3. A person sitting in moving train is at rest .
with respect to surroundings outside the
train
4. The skin of a drum on hammering produces
oscillatory motion.B . statements given below are incorrect write the correct statement : 1. An aeroplane flying straight to North describes a Periodic motion .
2. A stone thrown upward at an angle.
describes rectilinear motion,
3. A person sitting in moving train is at rest .
with respect to surroundings outside the
train
4. The skin of a drum on hammering produces
oscillatory motion.B . statements given below are incorrect write the correct statement : 1. An aeroplane flying straight to North describes a Periodic motion .
2. A stone thrown upward at an angle.
describes rectilinear motion,
3. A person sitting in moving train is at rest .
with respect to surroundings outside the
train
4. The skin of a drum on hammering produces
oscillatory motion.
5. A hockey player running up and down in the
hockey ground describes a periodic motion
5. A hockey player running up and down in the
hockey ground describes a periodic motion
5. A hockey player running up and down in the
hockey ground describes a periodic motion
B. Statements given below are incorrect write the correct statement.
1. An aeroplane flying straight to North describes a Periodic motion.
Ans: An aeroplane flying straight towards north describes a rectilinear motion.
2. A stone thrown upward at an angle describes rectilinear motion.
Ans: A stone thrown upward at an angle describes curvilinear motion.
3. A person sitting in moving train is at rest with respect to surrounding outside the train.
Ans: A person sitting in moving train is motion with respect to surrounding outside the train.
4. The skin of a drum on hammering produces oscillatory motion.
Ans: The skin of a drum on hammering produces vibratory motion.
5. A hockey player running up and down in the hockey ground describes a periodic motion.
Ans: A hockey player running up and down in the hockey ground describes a non-periodic motion.