Choose the correct word which refers to the process of electrolysis from A to E
Choose the correct word which refers to the process of electrolysis from A to E, to match the description (i) to (iv):
A: Oxidation B: Cathode C: Anode D: An electrolyte E: Reduction
- Conducts ...
A crane A lifts a heavy load in 5 seconds, whereas another crane B
A crane ‘A’ lifts a heavy load in 5 seconds, whereas another crane ‘B’ does the same work in 2 seconds. Compare the power of crane ‘A’ to that of crane ‘B’.
Define resonant vibrations
(i) Define resonant vibrations.
(ii) Which characteristic of sound, makes it possible to recognize a person by his voice without seeing him?
Gigantism and Acromegaly are due to
Gigantism and Acromegaly are due to:
- Hyposecretion of Thyroxine.
- Hyposecretion of Growth hormone
- Hypersecretion of Thyroxine
- Hypersecretion of Growth hormone
A radiation X is focused by a particular device on the bulb
A radiation X is focused by a particular device on the bulb of a thermometer and mercury in the thermometer shows a rapid increase. Name the radiation X.
Copy and complete the following table which refers to the conversion of ions to neutral particles
Copy and complete the following table which refers to the conversion of ions to neutral particles.
Name a state where: Tank irrigation is popular
Name a state where: Tank irrigation is popular
Answer
Tamil Nadu / Andhra Pradesh / Karnataka
In a class of 40 students, marks obtained by the students in a class test
In a class of 40 students, marks obtained by the students in a class test (out of 10) are given below:
Calculate the following for the given distribution: i. Median ii. Mode
Define couple. State the S.I. unit of moment of couple
(i) Define couple
(ii) State the S.I. unit of moment of couple.
Why is a jack screw provided with a long arm
Why is a jack screw provided with a long arm?
The wave lengths for the light of red and blue colours
The wave lengths for the light of red and blue colours are nearly 7.8 x 10-7 m and 4.8x 10-7 m respectively.
- Which colour has the greater speed in a vacuum?
- Which colour has a greater speed in ...
Explain three ways by which the Legislature exercises control over the Executive
The Powers and Functions of the Indian Parliament are wide ranging. In this context, Explain three ways by which the Legislature exercises control over the Executive.
The complex consisting of a DNA strand and a core of histones.
The complex consisting of a DNA strand and a core of histones.
Give appropriate biological or technical terms for the following:
Most of the South Indian states are not suitable for development of canal irrigation
Give a reason: Most of the South Indian states are not suitable for development of canal irrigation.
The model of a building is constructed with the scale factor 1 : 30
The model of a building is constructed with the scale factor 1 : 30.
- If the height of the model is 80 cm, find the actual height of the building in meters.
- If the actual volume of a tank at the top ...