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Recent questions tagged class 7

Measurement of distance covered per unit time is _______ .

asked Nov 6, 2017 by priyanka.c

1 answer

The unit of speed can be written as

asked Nov 6, 2017 by priyanka.c

1 answer

What is one nanosecond ?

asked Nov 6, 2017 by priyanka.c

1 answer

The odometer of a car at starting point shows 35280. Ravi rides at a constant speed of 40 km/hr. When Ravi reaches the destination, he finds the odometer reading to be 35400. What is the time taken by Ravi to reach his destination?

asked Nov 6, 2017 by priyanka.c

1 answer

Why does it take long for the sea to heat up when compared to the land?

asked Nov 6, 2017 by priyanka.c

1 answer

Why is mercury used in thermometers?

asked Nov 6, 2017 by priyanka.c

1 answer

What is the reason behind short circuits?

asked Nov 5, 2017 by priyanka.c

1 answer

What is the abbreviation of CFL?

asked Nov 5, 2017 by priyanka.c

1 answer

Why does an electric bulb gets fused?

asked Nov 5, 2017 by priyanka.c

1 answer

What will happen if two positively charged objects come in contact with each other?

asked Nov 5, 2017 by priyanka.c

1 answer

Where in India are the tropical rainforests found?

asked Nov 5, 2017 by priyanka.c

1 answer

Why do birds migrate?

asked Nov 5, 2017 by priyanka.c

1 answer

The minimum temperature of a day occurs generally during ?

asked Nov 5, 2017 by priyanka.c

1 answer

The inner side of a stainless steel spoon acts as a _________ mirror?

asked Nov 5, 2017 by priyanka.c

1 answer

The image reflection of a plane mirror is not _______.

asked Nov 5, 2017 by priyanka.c

1 answer

A candle light is placed in a dark room in front of you and you are given a bent hollow pipe. What will you see through the pipe?

asked Nov 5, 2017 by priyanka.c

1 answer

Convert 18 km/hr in units of m/s.

asked Nov 5, 2017 by priyanka.c

1 answer

The symbols of all units are written in _________ form?

asked Nov 5, 2017 by priyanka.c

1 answer

A driver has to cover a distance of 15km in order to complete his trip for the day. By he has time constraint of 2 hrs. At what speed should he drive in order to complete his trip within the available time?

asked Nov 5, 2017 by priyanka.c

1 answer

What will happen if you heat a glass jar above room temperature for 5 minutes and immediately cool it in ice cold water?

asked Nov 5, 2017 by priyanka.c

1 answer

What is the temperature range mentioned in a clinical thermometer?

asked Nov 5, 2017 by priyanka.c

1 answer

Sullage water is the waste water from

asked Nov 5, 2017 by priyanka.c

1 answer

Depletion of water table is due to

asked Nov 5, 2017 by priyanka.c

1 answer

When electric current passes through a wire, it acts as a

asked Nov 5, 2017 by priyanka.c

1 answer

Miniature circuit breakers automatically turns off when there is

asked Nov 5, 2017 by priyanka.c

1 answer

When is Newton's disc is rotated what would be the colour seen?

asked Nov 5, 2017 by priyanka.c

1 answer

Concave lens are _______ lens.

asked Nov 5, 2017 by priyanka.c

1 answer

Why is the word ambulance written as a virtual image in an ambulance van?

asked Nov 5, 2017 by priyanka.c

1 answer

What is the dark funnel shaped cloud that reaches the ground from the sky called?

asked Nov 5, 2017 by priyanka.c

1 answer

Process of applying a coat of zinc to prevent iron from rusting is called as ________.

asked Nov 5, 2017 by priyanka.c

1 answer

Camouflage of polar bears is due to ________.

asked Nov 5, 2017 by priyanka.c

1 answer

Which of the following are not the elements of weather?

asked Nov 5, 2017 by priyanka.c

1 answer

Temperature is measured in ________.

asked Nov 5, 2017 by priyanka.c

1 answer

Rohit's school is 800 meters away from his house. If he rides his bicycle at a speed of 2 m/s, how long will it take for him to reach his school?

asked Nov 5, 2017 by priyanka.c

1 answer

Which of the following is true?

asked Nov 5, 2017 by priyanka.c

1 answer

What is the process of transfer of heat with no medium called?

asked Nov 5, 2017 by priyanka.c

1 answer

Virtual images are formed by the ________

asked Nov 5, 2017 by priyanka.c

1 answer

The images formed by a plane mirror are always ________

asked Nov 5, 2017 by priyanka.c

1 answer

When does a virtual image occur ?

asked Nov 5, 2017 by priyanka.c

1 answer

The property of a conductor carrying current in the shape of a coil which behaves like a magnet is called as _________

asked Nov 5, 2017 by priyanka.c

1 answer

The circuit is complete when the electrical switch is in __________position.

asked Nov 5, 2017 by priyanka.c

1 answer

The longer line in the representation of a cell in an electric circuit represents _______

asked Nov 3, 2017 by priyanka.c

1 answer

The wind distributed throughout the lower atmosphere are called as ______

asked Nov 3, 2017 by priyanka.c

1 answer

What is the main reason behind wind generation ?

asked Nov 3, 2017 by priyanka.c

1 answer

The cosmic rays from the sun is deflected from entering the earth by _______

asked Nov 3, 2017 by priyanka.c

1 answer

After attending Arjun goes back home driving his car. He rode for 9 km in the east direction and found that he had crossed his house. In order to reach his home he had to travel 2 km in the west direction. The entire journey took him 5 hours. At what speed did Arjun travel averagely ?

asked Nov 3, 2017 by priyanka.c

1 answer

What is the metallic ball in a pendulum called?

asked Nov 3, 2017 by priyanka.c

1 answer

Prathithi enjoys playing in the swing. She moves fast as much as possible. Now what is the type of motion of the swing Prathithi is playing with?

asked Nov 3, 2017 by priyanka.c

1 answer

The day to day condition of the atmosphere at a place with respect to the temperature, rainfall, wind speed is called as _______.

asked Nov 3, 2017 by priyanka.c

1 answer

Heat energy is measure in the units of

asked Nov 3, 2017 by priyanka.c

1 answer

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